1. Is there online check-in available for Alaska Airlines / Horizon Air?
Yes, Alaska Airlines offers you online check-in up to 24 hours, and at least one hour before your flight departs.
2. How early should I arrive at the airport?
Alaska Airlines recommends that passengers arrive at the airport at least 2 hours before their flight is scheduled to depart, but this depends a lot on the airport, so please visit this page and choose your departure location to get detailed information.
3. When do I have to be at the boarding gate?
Alaska Airlines requires its passengers to be at the boarding gate at least 30 minutes prior to departure for all flights.