Airline Check-In Times & Windows (2026)
When does online check-in open? Compare check-in windows for 100 airlines.
| Airline | Opens | Closes |
|---|---|---|
| American Airlines | 24 hours before departure | 45 minutes before domestic flights, 90 minutes before international flights |
| Delta Air Lines | 24 hours before departure | 45 minutes before domestic flights, 60 minutes before international flights |
| United Airlines | 24 hours before departure | 45 minutes before domestic flights, 60 minutes before international flights |
| Southwest Airlines | 24 hours before scheduled departure | 45 minutes before domestic departures, 60 minutes before international departures |
| JetBlue Airways | 24 hours before departure | 45-60 minutes before domestic flights, 60 minutes before international flights |
| Alaska Airlines | 24 hours before departure | 40 minutes before domestic flights, 60 minutes before international flights |
| Spirit Airlines | 24 hours before departure | 45 minutes before domestic departures, 60 minutes before international departures |
| Frontier Airlines | 24 hours before departure | 60 minutes before domestic and international flights |
| Hawaiian Airlines | 24 hours before departure | 45 minutes before North America flights, 30 minutes before Neighbor Island flights, and 60 minutes before international flights |
| Sun Country Airlines | 24 hours before departure | 45 minutes before domestic flights, 60 minutes before international flights |
| Allegiant Air | 24 hours before departure | 45 minutes before scheduled flight departure |
| Breeze Airways | 24 hours before departure | 45 minutes before domestic departures, 60 minutes before international departures |
| Air Canada | 24 hours before departure | 45 minutes before domestic departures, 60 minutes before international departures |
| WestJet | 24 hours before departure | 60 minutes before departure for domestic, US, and international flights (except 75 minutes for flights departing Calgary, Edmonton, Toronto, and Vancouver) |
| Porter Airlines | 24 hours before scheduled departure time | 60 minutes before domestic flights, 75 minutes before US flights from YOW/YUL/YVR, and 90 minutes before US flights from YYZ |
| Flair Airlines | 24 hours before departure | 2 hours before departure |
| Aeromexico | 48 hours before departure for domestic flights, 24 hours before departure for international flights | 30 minutes before domestic flights, 40 minutes before international flights (at the boarding gate with boarding pass in hand); 90 minutes before domestic, 180 minutes before international (at the airport counter without boarding pass) |
| Volaris | 3, 5, or 7 days before departure for domestic flights (depending on fare), and 24 hours before departure for international flights | 1 hour before departure |
| LATAM Airlines | 48 hours before departure | 2 hours before departure for online check-in (counter closes 60 minutes before domestic, 2 hours before international) |
| Avianca | 48 hours before departure, or 24 hours for flights to/from the US, Puerto Rico, and Canada | 60 minutes before international flights and 45 minutes before domestic flights in Colombia and Ecuador |