What happens when you check in online?

Related questions

1. Do I need to print my boarding pass?
2. Do I have to print my boarding pass?
3. Is it better to check in online or at airport?
4. Can you check in a bag after checking in online?
5. How do I add baggage to Aegean Airlines?
6. What is Aegean Flex fare?
7. Is an E ticket the same as a boarding pass?
8. Do you need to print out your e ticket?
9. What's the point of online check in?
10. Do I need to print my e ticket?

Tags

1. #through
2. #online
3. #check
4. #hours
5. #departure
6. #opens
7. #advance
8. #boarding
9. #before
10. #flight
11. #means
12. #closes
13. #airport
14. #quicker
15. #little