Airline Info
Founded1926
HeadquartersChicago, Illinois, USA
Fleet Size937+ aircraft
Destinations342+
Alliance
Star Alliance
Hub Airports
- Chicago O'HareORD
- DenverDEN
- Houston BushIAH
- Los AngelesLAX
- NewarkEWR
- San FranciscoSFO
- Washington DullesIAD
Book with Confidence
FareCare protection included
Transparent all-in pricing
Real-time fare verification
24/7 disruption support
Baggage Policy
Updated 2026-01-04
Carry-On
56 × 35 × 22 cm (22 × 14 × 9 in)
Personal Item
43 × 25 × 22 cm (17 × 10 × 9 in)
Checked Baggage
Size: 157 cm (62 in) linear
Weight: 23 kg (50 lbs) Economy, 32 kg (70 lbs) Business/First
| Type | Domestic | International |
|---|---|---|
| carry on | Included (Basic Economy: personal item only) | Included |
| first checked | $35 (online) / $40 (airport) | Often 1 free bag (Europe/Asia Economy); varies by route |
| second checked | $45 (online) / $50 (airport) | Varies |
| overweight | $100-150 USD (51-70 lbs) | $100-150 USD |
Basic Economy domestic: personal item only, no carry-on bin access.
3rd bag costs $150 USD.
Fare Classes & Policies
Basic Economy
Changes: Not allowed
Refundable: No
No changes, no refunds. Personal item only on domestic.
Economy
Carry-on
Changes: No change fees (fare difference applies)
Refundable: No
Travel credit issued.
Economy Plus
Carry-on
Changes: Allowed
Refundable: No
Extra legroom, same change policy as Economy.
Business/Polaris
Carry-on
2 bags
Changes: Allowed
Refundable: Yes
2 free bags at 32kg, refundable, lounge access.
Free Change Window
24 hours from booking
Popular United Airlines Routes
Book multi-continent UA flights with transparent all-in pricing
Caribbean
North America
Frequently Asked Questions
Real answers based on United Airlines's official policies (Updated: 2026-01-04)