VERY interesting tweet + replies on this. Flight attendant says put the dog in the overhead. Other passengers hear whimpering and do nothing because FEDERAL CHARGES FOR DISOBEYING FLIGHT ATTENDANTS. Service animals vs. non-service animals. Armchair heroes. Lions! Tigers! Bears!

https://twitter.com/jonlovett/status/973766364887318529

I think the basic rule is: don’t take your pet on the airplane. Find a kennel.