
United Airlines is one of the most recognized names in the sky.
With hundreds of destinations across six continents and thousands of daily flights, it plays a key role in connecting travelers around the world.
But with its wide range of fare options, add-on fees, and aircraft types, flying United can look very different depending on how you book and where you sit.
Some travelers enjoy a lie-flat seat and premium dining in Polaris Business Class. Others choose a no-frills Basic Economy fare just to get from point A to point B.
United gives passengers many choices – but with those choices come trade-offs. Seat comfort, luggage rules, onboard service, and upgrade opportunities vary by route, fare type, and aircraft.
Understanding how United operates will help you avoid common frustrations and get the most value for your money.
This guide covers everything from seating to snacks and will help you make smarter choices before you board.
Whether you are flying for business, vacation, or a quick family visit, knowing what to expect can make all the difference.
United Airlines: General Overview

United Airlines is one of the largest and most established airlines in the world.
As a full-service legacy carrier, it offers a wide mix of domestic and international flights, multiple cabin classes, and a global loyalty program. While it competes with budget airlines on some routes, its services and reach set it apart in many ways.
General Information
- Founded: 1926
- Headquarters: Chicago, Illinois
- Tagline: Fly the Friendly Skies
- Alliance: Star Alliance
- Frequent Flyer Program: MileagePlus
- Mission Statement: To deliver service that leads the airline industry through a strong product and passionate employees
- Daily Flights: Over 4,500
- Total Destinations: 356 (including 125 international cities)
- Main Website: united.com
Major Domestic Hubs
The United Airlines hub system supports its domestic and international coverage. The airline operates from the following major airports:
- Chicago-O’Hare (ORD) – Primary global hub
- Denver (DEN) – Central location for domestic connectivity
- Houston (IAH) – Gateway to Latin America
- Newark (EWR) – Key transatlantic departure point
- San Francisco (SFO) – Strong Asia-Pacific presence
- Washington-Dulles (IAD) – East Coast international hub
- Los Angeles (LAX) – Major West Coast operations
- Guam (GUM) – Hub for Micronesia and the western Pacific
Route Network
United Airlines offers one of the most expansive global networks among U.S. carriers.
With hundreds of destinations across six continents, it serves major business hubs, leisure hotspots, and regional airports.
Through its membership in the Star Alliance, United also gives travelers access to thousands of connecting flights operated by partner airlines.

Below are some of the key destinations where United operates the most flights or sees the highest passenger traffic:
- North America: New York City (EWR), Chicago (ORD), Denver (DEN), Houston (IAH), San Francisco (SFO), Los Angeles (LAX), Washington, D.C. (IAD)
- Europe: London (LHR), Frankfurt (FRA), Paris (CDG), Amsterdam (AMS), Zurich (ZRH)
- Asia: Tokyo (NRT and HND), Seoul (ICN), Singapore (SIN), Shanghai (PVG), Hong Kong (HKG)
- Latin America and the Caribbean: Mexico City (MEX), Cancún (CUN), Lima (LIM), San José (SJO), Bogotá (BOG), San Juan (SJU)
- Oceania: Sydney (SYD), Melbourne (MEL), Auckland (AKL)
- Africa and the Middle East: Tel Aviv (TLV), Dubai (DXB), Accra (ACC)
Fleet Overview
United has one of the largest and most diverse fleets in the world, with over 990 aircraft in service. These include both narrow-body and wide-body jets from Boeing and Airbus.
- Narrow-Body Fleet (used for domestic and short-haul international flights)
- Boeing 737 series (including MAX 8, 9, and 10)
- Airbus A319 and A320
- Boeing 757-200 and 757-300
- Wide-Body Fleet (used for long-haul international and premium routes)
- Boeing 767-300ER and 767-400ER
- Boeing 777-200, 200ER, and 300ER
- Boeing 787-8, 787-9, and 787-10 (Dreamliner series)
Many of these aircraft feature refreshed interiors and upgraded inflight entertainment systems.
United is also in the process of modernizing its fleet through its “United Next” initiative, which includes larger overhead bins, seatback screens, and higher-speed Wi-Fi on new aircraft.
Fare Classes And Seat Types Explained
United Airlines offers a wide range of fare types designed to suit different budgets and travel needs.
From basic economy seats for quick, low-cost trips to lie-flat beds in Polaris Business Class, the variety of options can feel overwhelming at first.
Knowing the differences between fare classes is key to booking the right experience for your trip.
Basic Economy
Basic Economy is the most restrictive and budget-friendly option on United. It is best for travelers flying light who do not need flexibility or extra perks.
What to expect:
- Preassigned seat given before boarding
- No seat selection or group seating
- No full-size carry-on (except on transatlantic routes)
- First checked bag: $70 round-trip
- No changes, refunds, or upgrades allowed
- Does not earn Premier Qualifying Points
Economy (Standard and Flexible)

This is the standard fare most travelers book. It offers more control over your trip and allows for changes or cancellations depending on the ticket type.
- Standard Economy:
- Seat selection at booking (when available)
- Eligible for paid upgrades and extras
- Access to personal item and full-size carry-on
- Regular checked baggage fees apply
- Flexible Economy:
- Fully refundable ticket (minus cancellation fee)
- Seat selection included
- Best option for business travelers or those needing flexibility
Economy Plus
Economy Plus is an upgrade from standard Economy that gives you more legroom and a seat closer to the front of the cabin.
What you get:
- Up to 6 extra inches of legroom
- Quicker exit after landing
- Can be purchased per flight or through an annual subscription
- Eligible to earn Premier Qualifying Points
Premium Plus

Premium Plus is the Premium Economy United product, available on select long-haul international routes. It offers a more spacious and comfortable experience without the cost of business class.
Key features:
- Larger, wider seat with extra legroom
- Footrest and legrest
- Complimentary meals and drinks
- Enhanced inflight entertainment and power outlets
- Saks Fifth Avenue blanket and pillow
Business Class
The United Airlines Business Class varies by route and aircraft, but most long-haul flights feature lie-flat seats and upgraded dining. On premium routes, Business Class is branded as Polaris, the flagship United international experience.
Standard Business Class perks (domestic / international):
- Spacious seating with deep recline
- Premium meals and drinks
- Larger carry-on and checked baggage allowance
- Access to United Club or Polaris Lounge (where available)
- Priority check-in, boarding, and baggage handling
Polaris Business Class

Polaris is the top-tier United Airlines product available on most international flights and select domestic flights. It is built around comfort, privacy, and rest.
What makes Polaris different:
- Lie-flat seats with direct aisle access
- Saks Fifth Avenue bedding
- Sleep kits with Cowshed Spa products
- Chef-designed multi-course meals
- 16-inch seatback monitor with entertainment
- Pajamas on flights over 10 hours
Baggage Fees And Carry-On Rules
United Airlines offers different baggage allowances based on your fare class, route, and elite status. While some bags are included for premium cabins and elite members, most travelers flying economy will need to pay extra.
Understanding the rules ahead of time can help you avoid surprise charges at the airport.
Carry-On Allowance
Most United fares allow travelers to bring both a personal item and a standard carry-on. However, Basic Economy fares come with special restrictions.
Standard Allowance:
- Personal item (free for all passengers). Must fit under the seat in front of you (examples: backpack, purse, laptop bag)
- Carry-on bag (free for most fares). Maximum size: 9 x 14 x 22 inches (including handles and wheels)
Basic Economy Exception:
- U.S. domestic and most international flights: Only 1 personal item is allowed – no full-size carry-on
- Transatlantic flights: Carry-on is permitted, even in Basic Economy
Checked Baggage Allowance And Fees

The cost of checked bags depends on your route, fare class, and United Airlines MileagePlus status. Below are common pricing ranges based on a standard economy fare (prices may vary):
Domestic United States and Canada
- First bag: $40 ($35 if prepaid)
- Second bag: $50 ($45 if prepaid)
- Third bag and beyond: $150 each
United States to / from Mexico
- Same structure as domestic: $35–$50 for the first two bags, $150 for additional bags
United States to / from Europe
- Basic Economy: First bag $75
- Standard Economy: First bag free
- Second bag: $100
- Premium Economy: Two bags free
- Business / First: Two or three bags free, depending on fare
- Fourth bag and up: $200 each
Oversized And Overweight Bags
Baggage that exceeds standard size or weight limits will incur extra charges.
Size Limit:
- Max linear dimensions: 62 inches (length + width + height)
Overweight Fees:
- 51 – 70 pounds: $100 – $200 per bag
- 71 – 100 pounds: $200 – $400 per bag
- Bags over 100 pounds are not accepted on most routes
Oversize Fee:
- Bags larger than 62 inches (but under 115 inches): $200
Status-Based Allowances
United Airlines MileagePlus elite members and Star Alliance Gold travelers receive additional baggage benefits.
Weight Limit for Elites:
- Silver, Gold, Platinum, 1K members: Up to 70 pounds per checked bag
- Star Alliance Gold in business or Polaris class: Up to 70 pounds
Seat Maps And Comfort: What To Expect
The seat you choose on a United Airlines flight can make a big difference in your comfort – especially on longer trips.
United operates a diverse fleet with different seat configurations, so legroom, width, and recline can vary by aircraft and cabin. Knowing what to expect by plane type and seat class can help you choose wisely when booking.
Key Factors That Affect Comfort
- Seat Pitch: The distance between your seat and the one in front of you (determines legroom)
- Seat Width: The distance across the seat cushion (important for shoulder space)
- Seat Recline: How far your seat leans back
- Location: Seats near the front of the plane or exit rows often have better space or easier boarding
Economy And Economy Plus

Most travelers will fly in economy or Economy Plus.
Economy seats on United Airlines typically offer:
- Pitch: 30 to 32 inches
- Width: 16 to 17.3 inches
- Recline: 2 to 3 inches
Economy Plus provides:
- Pitch: 34 to 37 inches
- Width: Similar to Economy
- Recline: 3 to 5 inches (varies by aircraft)
- Seats located toward the front of the plane for faster deplaning
Premium Plus
The Premium Economy option on United Airlines is available on select long-haul international flights.
It includes:
- Pitch: Around 38 inches
- Width: Up to 19 inches
- Recline: 6 inches
- Adjustable legrest and footrest
- Enhanced dining and entertainment options
Business Class and Polaris Business Class

Business class varies by route, but most long-haul international flights feature United Airlines Polaris seats.
Polaris Business Class Features:
- Seat Pitch: 76 to 78 inches when fully reclined (lie-flat)
- Seat Width: Up to 22 inches
- Recline: 180 degrees
- Direct aisle access on most aircraft
- Saks Fifth Avenue bedding and noise-reducing headphones
- Large HD entertainment screen and premium dining
TPA Pro Tip: Use the United Airlines seat map tool during booking to view real-time availability and seat dimensions for your flight.
Upgrade Options And Add-Ons
United Airlines offers a range of upgrade choices and add-on services that can enhance your travel experience. These extras are available whether you want a more spacious seat, a smoother airport experience, or premium onboard perks.
Understanding how upgrades work – and when they are worth it – can help you get more value from your ticket.
MileagePlus Upgrades
For travelers enrolled in the United Airlines MileagePlus loyalty program, upgrades can be requested using award miles or PlusPoints. These upgrades are subject to availability and are often best used on longer flights or premium cabins.
- Mileage Upgrade Awards: Use your earned miles to move from economy to business or Polaris class on eligible flights
- PlusPoints Upgrades: Available to Platinum and 1K members – can be used for domestic or international upgrades
- Upgrade priority is based on status level and fare class
- Not all tickets qualify; discounted Basic Economy fares are not upgradeable
Cash Upgrades
United Airlines also offers the option to purchase upgrades directly. These are typically presented after booking and depend on seat availability.
This is a good option for travelers who want a premium seat without using miles or elite benefits.
- Offers may appear via email, in your United account, or at check-in
- Pricing varies by route, cabin, and demand
- Often more affordable closer to departure, but inventory can be limited
Economy Plus Subscriptions
If you fly frequently in economy and prefer extra legroom, a United Airlines Economy Plus subscription offers consistent upgrades throughout the year.
This program allows you to select Economy Plus seats at booking without paying each time.
- Starts at $599 annually
- Covers one traveler, or multiple people on the same reservation with higher-tier plans
- Works on most domestic and international United flights
- Offers convenience and potential cost savings for regular travelers
Seat Selection And Preferred Seating

United Airlines allows travelers to choose their seat at booking, but certain locations on the plane may come with a fee.
If you want to sit closer to the front for a quicker exit or choose a more desirable aisle/window seat, you can pay a little extra.
- Preferred Seats cost as little as $9 each way
- Available in the front rows of the Economy Class section
- Standard seat selection is free with most fares, except Basic Economy
United Airlines FareLock
Sometimes you are not quite ready to commit to a flight. FareLock gives you more time to decide while holding your price.
This option is ideal for travelers coordinating with others or waiting on flexible plans.
- Hold your fare for 3 or 7 days
- Costs range from $5 to $20, based on destination and duration
- Helps avoid price increases during busy travel seasons
United Airlines Bundles
United Airlines Bundles package several popular upgrades – like checked bags, Economy Plus seating, and boarding perks – into one discounted offer.
These are available during the booking process and can save money compared to buying each upgrade separately.
- Bundles vary by route and booking class
- Prices depend on included services and flight length
- Convenient for travelers who want multiple add-ons with one click
Lounge Access

For a quieter airport experience with snacks, drinks, and workspace, United Airlines offers lounge access through memberships or one-time passes.
This is a valuable perk for business travelers, frequent flyers, or long layovers.
- United Club membership starts at $550 per year
- One-time lounge passes (starting at $59 per person) are available for purchase at the airport or during booking
- Entry includes Wi-Fi, beverages, snacks, and a more relaxed environment
Inflight Wi-Fi Plans
If staying connected is important, United Airlines offers several Wi-Fi plans for travelers to use during flights.
Whether you need a quick connection for messaging or full access for work, there is a plan that fits.
- Single-flight passes: Start around $8–$16
- Monthly and annual subscriptions: Available for frequent travelers
- MileagePlus members receive discounts on some plans
- Wi-Fi access varies by aircraft and route
Pet Travel And Special Services
United Airlines provides several extra services for families, pet owners, and travelers with special needs.
These can be added when booking or by contacting customer service ahead of your flight.
- Pet In-Cabin Fee: $125 each way
- Unaccompanied Minor Fee: $150 each way
- Special Assistance: Available on request, including wheelchair help and special meals
MileagePlus Program Snapshot

MileagePlus is the United Airlines frequent flyer program, designed to reward travelers with miles, elite status perks, and access to partner benefits.
Whether you fly occasionally or often, joining MileagePlus can offer real value – from seat upgrades to free flights.
How To Earn Miles
United Airlines MileagePlus members can earn miles in several ways:
- Flying: Earn based on ticket price (not distance), plus bonus miles for elite members
- Credit Card Spending: United Airlines co-branded cards from Chase offer bonus miles on travel, dining, and everyday purchases
- Hotel and Car Partners: Earn miles through stays and rentals with United’s travel partners
- Shopping and Dining: Use the MileagePlus shopping portal or dining rewards program to collect extra miles on purchases
How To Redeem Miles
United Airlines MileagePlus miles can be used for more than just free flights. Redemption options include:
- Award Flights: On United Airlines or Star Alliance partners
- Seat Upgrades: From economy to premium cabins
- Hotel stays and car rentals
- Merchandise, gift cards, and experiences
- Chase Pay Yourself Back® feature (on some United co-branded credit cards)
Miles never expire, which makes the program ideal for both frequent and occasional travelers.
Premier Status Tiers
United Airlines MileagePlus offers four Premier status levels. Each tier comes with added travel benefits, including upgrades, baggage perks, and airport priority.
- Premier Silver: Complimentary upgrades on select U.S. and short-haul international routes, 1 free checked bag, Priority check-in and boarding, Discounted Economy Plus seating
- Premier Gold: 2 free checked bags, Star Alliance Gold status (includes international lounge access), Access to preferred and Economy Plus seats at booking, Better upgrade priority than Silver
- Premier Platinum: 3 free checked bags, Higher upgrade priority, Access to Economy Plus and preferred seats for companions, 40 PlusPoints (used for international upgrades)
- Premier 1K: 3 free checked bags, Highest upgrade priority, 280 PlusPoints annually, Complimentary drink and snack in economy, Premier Access for faster airport processing
United Co-Branded Credit Cards
United Airlines offers several Chase credit cards that integrate directly with MileagePlus:
- The New United℠ Explorer Card
- The New United Quest℠ Card
- The New United Club℠ Card
- The New United Gateway℠ Card
- The New United℠ Business Card
These cards also help earn PQP toward elite status and offer travel protections.
Customer Satisfaction And Reviews

United Airlines receives mixed feedback from travelers, with opinions often shaped by the specific route, aircraft, or cabin class experienced.
While many passengers praise the extensive route network and loyalty program, others note inconsistencies in service and inflight amenities.
Strengths Mentioned By Travelers
Many travelers highlight the convenience and reach of United’s network, along with improvements to its premium offerings. Here are the most commonly praised features:
- Frequent flights and global coverage
- Improved premium cabins
- Strong MileagePlus loyalty program
- Reliable Wi-Fi and entertainment
Common Complaints By Travelers
Despite its strengths, United Airlines continues to face recurring complaints from passengers – mostly related to service consistency and added fees. Below are the most common pain points:
- Lost or delayed baggage
- Aircraft inconsistency
- Service quality
- Fees and restrictions in Basic Economy
Customer Ratings From Major Sources
Travelers can find a range of reviews on popular airline rating platforms. These scores reflect overall passenger satisfaction, covering everything from comfort and service to reliability and value.
- Skytrax: 3 stars (out of 5) – Based on expert evaluations of global airline quality
- Skytrax User Rating: 3/10 – Based on over 5,000 user reviews, with a focus on customer service and consistency
- TripAdvisor: 3/5 – Average from more than 56,000 reviews across multiple categories
- Kayak: 7/10 – Stronger scores for value and inflight experience
- AirHelp: 8/10 – Includes ratings for on-time performance, customer service, and claims resolution
Reputation And Public Perception
United Airlines has worked to improve its image through:
- Philanthropic efforts with youth and environmental charities
- Fleet modernization and premium cabin upgrades
- Customer service training to address past criticism
While it may not deliver the boutique experience of luxury international carriers, United is still considered a dependable option for travelers who value routes, schedule options, and a mature loyalty program.
Final Thoughts
United Airlines offers a wide range of options for travelers – whether you are looking for a low-cost seat across the country or a lie-flat bed on a long-haul international flight.
Its global route network, strong loyalty program, and growing list of premium amenities make it a competitive choice among major U.S. carriers.
But like any large airline, the experience can vary.
Passengers who understand the differences between fare classes, seating types, and upgrade options are more likely to enjoy their journey. Booking the right ticket and managing extras like bags, Wi-Fi, or lounge access ahead of time can lead to a smoother, more comfortable flight.
While United may not deliver luxury at every level, it continues to evolve – especially in its Polaris and Premium Plus cabins.
For travelers who value route flexibility, elite benefits, and the ability to customize their flight experience, United remains a smart and dependable option.
Fly prepared, and you will fly better.