What is the purpose of online check in?

Related questions

1. What happens if you don't check in for a flight online?
2. Is it cheaper to buy flights at the airport?
3. When can I check in online with Alitalia?
4. How much baggage is allowed on Alitalia?
5. How early can you check into a flight online?
6. Can you check your bags early at the airport?
7. How early can you check in online for a flight?
8. How strict is Alitalia carry on?
9. How do I check in for my flight online?
10. How do you check in online?

Tags

1. #preferred
2. #quantities
3. #passes
4. #which
5. #internet
6. #typically
7. #select
8. #enter
9. #flight
10. #process
11. #their
12. #presence
13. #seating
14. #confirm
15. #baggage
16. #specific
17. #carrier
18. #options
19. #passengers
20. #boarding
21. #depending
22. #online
23. #details
24. #print
25. #check