UA · United States · Full-service
United Airlines Baggage Policy
Carry-on, personal item, checked bag fees, overweight, special items, and basic economy rules for United Airlines, with every figure cited to the airline's own policy page.
Quick answer
- Carry-on: up to 22 x 14 x 9", free
- Personal item: up to 17 x 10 x 9", free on every fare
- Checked bag: $40 first, $50 second (domestic economy)
- Basic economy: Basic Economy allows a personal item only
Carry-on baggage
- Max dimensions (in)
- 22 x 14 x 9"
- Max dimensions (cm)
- 56 x 35 x 22 cm
- Weight limit
- No published limit
- Fee
- Free
- Gate-check risk
- Medium
Basic Economy passengers (except on transatlantic routes) are limited to a personal item only, no full carry-on allowed.
Personal item
- Max dimensions (in)
- 17 x 10 x 9"
- Max dimensions (cm)
- 43 x 25 x 22 cm
- Included
- Yes, free on every fare
Must fit under the seat in front of you.
Does your bag count?
| Bag type | Typical size | Fit |
|---|---|---|
Standard backpack Everyday daypack, laptop backpack | 18 x 13 x 8" | Too big |
Tote bag Canvas or leather tote | 15 x 14 x 5" | Too big |
Laptop bag Messenger or slim briefcase | 16 x 12 x 4" | Too big |
Small duffel Gym or weekender | 18 x 11 x 11" | Too big |
Purse Handbag or crossbody | 12 x 10 x 5" | Fits |
Under-seat roller Mini wheeled bag | 16 x 14 x 8" | Too big |
Checked baggage fees
Compare fees across airlines →Domestic economy: $35 first / $45 second bag when prepaid online at least 24 hours before departure; $40 / $50 at the airport. Bags over 100 lb or 115 linear inches are not accepted.
Ways to skip the United Airlines checked bag fee
- Pack carry-on only. Confirm your bag fits the United Airlines carry-on size.
- Use a United Airlines co-branded credit card. These typically waive the first checked bag fee for the cardholder and companions.
- Earn elite status. Mid-tier and above usually waive one or two bags per direction.
- Book a higher fare. Premium Economy, Business, and First usually include 1 to 2 checked bags.
Special items & sports equipment
- Ski / snowboard
- Not published
- Golf clubs
- Not published
- Bicycle
- Not published
- Pet in cabin
- $150
- Pet as cargo
- Not published
Musical instruments: Small instruments count as carry-on if within standard dimensions. Larger instruments can be checked within the standard allowance or booked in a separate seat.
Ski, snowboard, golf, and bicycle equipment typically count as one standard checked bag and incur only the standard checked bag fee. Pet-in-cabin fee is $150 each way on most routes.
Basic economy restrictions
- Carry-on allowed
- No
- Personal item allowed
- Yes
- Checked bag surcharge
- $40
- Personal item only on most domestic routes (no full carry-on)
- No seat selection until check-in
- Last boarding group
- No changes or refunds
- No upgrades
Frequently asked questions
What is the United Airlines carry-on size limit?
United Airlines allows a carry-on bag up to 22 x 14 x 9" (56 x 35 x 22 cm), including handles and wheels. There is no published weight limit, but you must be able to lift your bag into the overhead bin unassisted.
What is the United Airlines personal item size?
The personal item on United Airlines must fit within 17 x 10 x 9" (43 x 25 x 22 cm) and slide fully under the seat in front of you. Must fit under the seat in front of you.
How much does a checked bag cost on United Airlines?
The first checked bag on United Airlines costs $40 on most domestic economy fares, and the second bag costs $50. Domestic economy: $35 first / $45 second bag when prepaid online at least 24 hours before departure; $40 / $50 at the airport. Bags over 100 lb or 115 linear inches are not accepted.
What are the United Airlines overweight and oversize bag fees?
Bags weighing 51 to 70 lb incur an overweight fee of $100. Bags 71 to 100 lb are charged $200. Oversize bags between 63 and 80 linear inches are $200. Fees are charged in addition to the standard checked bag fee.
Can I bring a carry-on on United Airlines Basic Economy?
No. United Airlines Basic Economy passengers are limited to one personal item that fits under the seat. A full-size carry-on either is not allowed or costs an extra fee. A checked bag on Basic Economy costs around $40.
How can I avoid United Airlines checked bag fees?
Four common ways: (1) pack in a carry-on and personal item only (confirm your bag fits the United Airlines carry-on size of 22 x 14 x 9"); (2) hold a United Airlines co-branded credit card, which typically waives the first checked bag fee for the cardholder and companions on the same reservation; (3) reach elite status in the airline's frequent flyer program, where mid-tier and above usually waive one or two bags per direction; (4) book a higher fare class (Premium Economy, Business, First) where checked bags are included.
Will my bag be gate-checked on United Airlines?
United Airlines currently has a medium gate-check risk based on our review of boarding policies and traveler reports. Arrive early in your boarding group to improve the odds of space in the overhead bins.
Pack for your United Airlines flight
Build a packing list that fits within the United Airlines carry-on and personal-item limits.
United Airlines hubs & focus cities
Major US airports where United Airlines operates. Click through for terminal layouts, connection times, and layover tips.
Compare other airlines
- Aeromexico baggage policy AM · Mexico
- Air Canada baggage policy AC · Canada
- Alaska Airlines baggage policy AS · United States
- Allegiant Air baggage policy G4 · United States
- American Airlines baggage policy AA · United States
- Breeze Airways baggage policy MX · United States
- Delta Air Lines baggage policy DL · United States
- Frontier Airlines baggage policy F9 · United States
Sources & verification
- Carry-on and personal item: https://www.united.com/en/us/fly/travel/baggage/carry-on.html verified 2026-04-14
- Checked baggage: https://www.united.com/en/us/fly/baggage/checked-bags.html verified 2026-04-14
- Special items: https://www.united.com/en/us/fly/travel/baggage/special.html verified 2026-04-14
- Basic economy fare: https://www.united.com/en/us/fly/travel/inflight/basic-economy.html verified 2026-04-14
Airlines change baggage rules without notice. Always confirm with United Airlines before flying.