Don’t hold up the security line
Proper flying etiquette begins before you even board the plane. Have your boarding pass and ID ready as you approach airport security. If you’re waiting in line, start thinking ahead; you can speed up the process by removing your watch and belt, pulling out your laptop, and separating your liquids before you reach the conveyor. This will get you—and everyone behind you—to the gates faster. Here are 50 etiquette rules you should always practice.
Board (and pack) courteously
As airlines squeeze in more and more people per flight, passengers fight for the same bin space. To maximize room in the overhead compartment for other travelers, place your bag vertically rather than horizontally on the shelf. And only put one carry-on bag in the bin; the other one can fit in the open space under the seat in front of you. Here’s how to tell what size your carry-on should be, based on the airline you’re flying.