Supported airline
Great Lakes Airlines online check-in
Flying with Great Lakes Airlines? 1Checkin checks you in on Great Lakes Airlines flights (IATA code ZK) as soon as online check-in opens and emails you the boarding pass, so you don't have to watch the clock.
Great Lakes Airlines check-in FAQ
How does automatic check-in for Great Lakes Airlines work?
Forward your Great Lakes Airlines booking confirmation to 1Checkin or add the booking in the app. We check you in as soon as online check-in opens and send the boarding pass to your e-mail.
How it works
- Forward your booking confirmation to 1Checkin, or add the booking reference in the app.
- 1Checkin checks you in on Great Lakes Airlines the second online check-in opens.
- Your boarding pass lands in the app, ready for the airport, even offline.