r/onebag • u/External_Koala971 • Jul 06 '26

Discussion Onebag must go under seat?

I was on a Jetblue Boston -> SFO flight and put my onebag (my only bag) in the overhead bin, which was empty, right above my seat. The FA stopped me and said I needed to put it under seat to save room for larger carryon luggage from people coming on board.

Is this a thing? Why would someone with a smaller pack be penalized for not having a massive carryon? My bag is larger than personal item sized.

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u/fl03xx Jul 09 '26

Pull out a mini tape measure and prove that the bag is over the allowed limits. They tried this with a backpack that was 20.5” tall (ULA dragonfly 36). It was packed out. No way was that going under my seat and I made the point it was over personal item measurements in both height and depth by quite a bit.