Complete baggage policy, carry-on dimensions, fees and pet rules for United Airlines. Always confirm directly with the airline before flying.
Carry-on baggage
Included in fare
✅ Yes
Max size
56 × 35 × 22 cm (22 × 14 × 9 in)
Max weight
No weight limit (domestic)
Personal item
Free, 43 × 25 × 23 cm (17 × 10 × 9 in)
Checked baggage
Allowance
1st bag $35, 2nd $45 (free in Premium cabins/with status)
Fees / notes
Basic Economy: personal item only, NO overhead bin access on most flights.
Check fare class carefully — Basic Economy is restrictive on carry-on.
Pet policy
In cabin
Allowed ✅
As cargo
Not allowed ❌
Cabin limit
Soft carrier max 18 × 11 × 11 in
Fee
$125 one-way
Cabin only — United's PetSafe cargo program has been suspended since 2021. Cats and dogs only. NOT allowed to UK, Hawaii, Australia.
⚠️ Airline policies change frequently. This page is based on each carrier's published baggage policy; always verify the latest fees + rules directly with United Airlines before flying.