It suggests putting car seats in window seats so that other passengers are not blocked. Frontier Airlines: For parents who choose to buy a seat for babies or toddlers, the airline requires that they be put in an approved car seat. They can't be placed in emergency exit rows, in the rows directly in front or behind of emergency exit rows, or in the very first row.Other locations may be used as long as the seat isn’t installed between other passengers and the aisle. Child car seats cannot be used in aisle seats, emergency exit rows, any seat one row forward or one row back from an emergency exit row, bulkhead seats when the safety seat is a combination car seat and stroller and flatbed seats in the Delta One first class area of the following aircraft: Airbus A330-200 or A330-300 Boeing 777 or 747. Delta Air Lines: The Atlanta-based carrier says the window seat is the preferred location for an approved child car seat.The child must remain in the safety seat with the harness fastened during taxi, takeoff, landing and whenever the fasten seatbelt sign is on. The seat can't be used in an exit row or in the rows on either side of an exit row. American Airlines: The Fort Worth, Texas-based carrier requires car seats to have a solid back and seat, restraint straps installed to securely hold the child and a label indicating approval for use on an aircraft.Allegiant Air: Ticketed children can travel with an FAA-approved car seat.The airline prefers that children be placed in the window seat, but allows it to be placed in the middle seat if the window seat is empty. They can't be used in aisle seats, emergency exit rows or rows immediately in front of or behind exit rows. Alaska Airlines: Car seats must be certified for use in motor vehicles and aircraft (in red lettering).
Their website lists standards for non-Canadian car seats. Air Canada: Car seats must have a label stating "This child restraint system conforms to all applicable Canadian Motor Vehicle Safety Standards", or have a National Safety Mark, which indicates the number of the standard(s) to which the restraint device conforms.Parents must advise the airline when purchasing a ticket about carrying a car seat. It must also be able to be fastened to the aircraft seat by a two-point harness. Aeromexico: Parents traveling with children under age two with a purchased seat must have a car seat that is forward facing and designed and certified according to federal or local authorities.