Test that prior to the trip.
It wires some kiddos.
It worked for mine and now at 13, she no longer needs it.
She has flown several times.
California @ 5 months
Alabama @ 18 months
Massachusetts @ 3 y/o
Florida @5 y/o
Alabama @ 6 y/o
California @ 7 y/o
Panama @ 9 y/o
California @ 10 y/o
California @ 12 y/o
I think I am missing one or two others... Anyway, the Florida trip was the most comical. She got gum in her hair after I kept telling her to leave it in her mouth.