United Airlines

Online, mobile and kiosk check-in opening times, seat selection and cut-off rules.

• Online check-in usually opens 24h before departure, some carriers 48h
• Exit-row and front seats must be assigned at the airport counter
• Domestic flights recommend completing check-in 45 min before departure

Free checked and carry-on baggage allowance by cabin and fare type.

• Economy typically 20kg free checked, business 30kg, first class 40kg
• Carry-on limited to 1 piece, max 5kg and 20×40×55cm
• Special/discount fares may not include free checked baggage

Cabin layout, seat pitch, in-flight meals and entertainment.

• Economy, premium economy and business (first on some wide-body jets)
• Domestic trunk routes serve meals/snacks; long-haul offers hot meals
• Wide-body aircraft feature personal IFE screens; special meals pre-order

Refund/change fees, special passenger services and disruption care.

• Refund/change fees depend on booking class (RBD) and time-to-departure
• Unaccompanied minors, wheelchair and pet services available on request
• Delay/cancellation triggers meal, hotel and rebooking protection