Online flight check-in opens 24-48 hours before your flight departure. You'll need your 6-digit airline confirmation code (example: L84RTL) from your itinerary to check in.
Good to know
Depending on your airline, after checking in online you may be able to print your boarding pass, save it to your mobile phone, or pick it up from a kiosk at the airport.
Airport check-in usually opens 2-3 hours before flight departure.
You will need your boarding pass to go through airport security. Check with your airline for any other required documents.
Plan to arrive at the airport at least 1-2 hours before your domestic flight, and at least 2-3 hours before your international flight.