How long can an airline legally keep you on a plane?

Related questions

1. Can you gift MQM Delta?
2. Does Singapore Airlines allow stopovers?
3. Are Marriott points worth it?
4. Can you leave the airport during a layover Dubai?
5. How do I transfer Marriott points to Korean Air?
6. Does Delta allow open jaw?
7. Can I purchase Delta MQMs?
8. Who is in SkyTeam?
9. Is Air Maroc part of Star Alliance?
10. Is Korean Air SkyTeam?

Tags

1. #letting
2. #federal
3. #obligated
4. #cannot
5. #delay
6. #three
7. #within
8. #rules
9. #provide
10. #aircraft
11. #passengers
12. #international
13. #mandate
14. #flight
15. #returning
16. #water
17. #plane
18. #hours
19. #tarmac
20. #airline
21. #domestic
22. #airlines
23. #without