iPod (which is now dead ;_____and in-flight entertainment. I wish I could read on flights because I'd love to use the time to catch up on reading, but I get motion sick so it's a no-go.
Most airports I've been to have free wifi so if I'm not on a plane, I'm most likely on my phone or laptop. But I can't usually read in airports, either, because I'm too distracted or anxious for my flight.
It's hard for me to sleep on planes unless I'm drugged, which I often forget to plan for.