United Airlines Gear Checker Will your stroller, car seat, and sleep devices fit?

United is a mixed bag for families. Compact strollers can come onboard but count as your carry-on, and car seats work in economy but are banned in Polaris Business class. The big downside: United explicitly bans all inflatable sleep devices with no exceptions. If toddler sleep matters on your flight, check the table below for carriers with more permissive policies. View full United Airlines policies →