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One of the following infant articles may be carried on board, in addition to the maximum carry-on baggage allowance:
- Diaper bag
- Small collapsible stroller (space permitting)
- Government-approved child seat (infant carrying seat or car seat)
Strollers and car seats as checked baggage
United accepts one stroller or one carseat in addition to a customer's baggage allowance. When checked as baggage, all oversize and overweight charges will apply. First and second bag fees do not apply to either a stroller or a car seat. United is not liable for damage to strollers. Excess Valuation may not be purchased for strollers.
Note: If you are traveling with a stroller and a carseat in addition to the baggage allowance, only one of these items is carried free of charge.
Infants traveling internationally on 10 percent of an adult fare will be granted a free baggage allowance of one stroller or one carseat and one other item (linear dimensions must not exceed 62 inches (157 cm) and weight must not exceed 50 pounds (23 kg). If the infant’s free baggage allowance is exceeded, the excess will become part of the fare paying adult's baggage allowance and all restrictions and excess charges will apply.
Government-approved child seat
The seat must conform to all applicable Federal Motor Vehicle standards. If manufactured after February 2, 1985, the seat must be certified for use in motor vehicles and aircraft.
The accompanying adult is responsible for ensuring that the seat functions correctly, that the child does not exceed the seat's limitations, that the child is properly secured in the seat and that the seat is secured to the aircraft seat.
United does not reserve space for government-approved child seats, unless a ticket has been purchased for that seat. If space is available after boarding is completed, customers may use adjacent unused seats to secure the government-approved child seat. If space is not available after boarding is completed, the item must be stowed in an approved storage space.
AmSafe's CAReS (Child Aviation Restraint System) may be used onboard United Airlines aircraft. Other booster seats, restraint vests and restraint harnesses may not be used aboard United Airlines aircraft. Note: The Amsafe device must have the FAA label attached and its correct use on board the aircraft is solely the responsibility of the customer.