Check-in and Boarding Requirements:

Domestic Flights: Passengers must be checked in at least 30 minutes and on-board at least 15 minutes before scheduled departure time for flights within the US. Exception: Check-in 45 minutes before departure in Atlanta, Denver, Los Angeles, Newark, Tampa and Washington D.C-Dulles and 60 minutes before departure in Las Vegas.

International Flights: Passengers must be checked in at least 60 minutes and on-board at least 30 minutes before scheduled departure time for flights to/from Canada, Mexico, the Caribbean, and all other International flights.

Important Note: Passengers not checked in by the designated times may have their pre-assigned seat assignment and reserved space canceled and will not be eligible for denied boarding compensation. Boarding passes may be obtained at nwa.com check-in, a Northwest Airlines self-service check-in kiosk or any Northwest check-in position.