Read more here. 15. Talking over other passengers 14. Forcing a flirtatious conversation 13. Trying to take another passenger's seat 12. Hogging the armrest 11. Hogging the floorspace 10. Not using headphones 9. Bringing smelly food on the plane 8. Being smelly 7. Moving someone else's bag out of the overhead bin 6. Not doing anything about your screaming child 5. Not having patience with a parent who is more miserable than you 4. Getting up repeatedly — and forcing others to do so 3. Taking shoes and socks off and putting feet anywhere but on the floor 2. Pushing, pulling, kicking, jiggling or otherwise messing with another passenger's seat 1. Delaying the flight Read more here.