I haven't ever done it in flight, but every time I've asked (30something dude traveling alone, no kids or anything) I've been accommodated, both in the US and o

I haven't ever done it in flight, but every time I've asked (30something dude traveling alone, no kids or anything) I've been accommodated, both in the US and overseas. It never felt 'weird' and I was never given the impression that it wasn't allowed or in any way unusual.