Space-A Scout › Routes › Seattle-Tacoma International Airport to Andersen AFB
Seattle-Tacoma International Airport sent 25 recorded Space-A flights to Andersen AFB in the year ending November 2026, every week or two and about 8 percent of everything the terminal flew. On the 25 of those where the terminal reported who made the cut, Category VI travelers, the retirees and veterans at the back of the line, got a seat 76 percent of the time.
By raw volume, May and October saw the most departures on this route in the year ending November 2026, and August the fewest. The route was active in 12 of the 14 months on record.
Category VI is the last group called at roll call. On this route, 76 percent of the 25 reported flights still had room by the time Cat VI was called. Not a sure thing, but far from hopeless, and picking your month improves it.
The lowest category that made each reported flight, in the year ending November 2026:
| Category II | 1 flight |
| Category III | 1 flight |
| Category IV | 1 flight |
| Category V | 3 flights |
| Category VI | 19 flights |
Seats are the other half of the picture. On the 25 flights that reported both numbers, the terminal released an average of 35 seats and 26 were taken, so a typical flight on this route left with about 9 Space-A seats empty. Some room most days, but not so much that showing up late is safe.
Sign-up at Seattle-Tacoma International Airport is free and does not commit you to anything. You can email the terminal at seattle.gateway@us.af.mil (the email doubles as your dated proof of sign-up), use the AMC online sign-up portal and call (253) 982-3504 / (253) 982-0555 to confirm anything time-sensitive. Do it 45 to 60 days before you want to travel, because your place in line at roll call is your sign-up date, and a sign-up is good for 60 days.
In the year ending November 2026, Seattle-Tacoma International Airport recorded 25 Space-A flights to Andersen AFB, which works out to every week or two. Firm schedules only appear about 72 hours ahead; the free live boards at spaceascout.com show what is posted now.
In the year ending November 2026, Category VI travelers, which covers retirees and eligible veterans, made the cut on 76 percent of the 25 flights where Seattle-Tacoma International Airport reported a category for this route.
Email seattle.gateway@us.af.mil with your name, category, number of travelers and desired destinations, or use the AMC online portal. Sign up 45 to 60 days before you want to fly. It is free and the email gives you a dated record.
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