Space-A from Kadena AB to Osan AB: How Often It Flies and Your Real Odds (October 2026)

By Luke Connally, USMC, Retired · Updated October 2026 · Built from 34 roll calls the terminal itself published

In the year ending October 2026, 34 Space-A flights went from Kadena AB to Osan AB. That is every week or two, and roughly 6 percent of Kadena AB's recorded departures. On the 26 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 96 percent of the time.

Want today's picture instead of the record? The free live boards show what is posted from Kadena AB right now, and a free watch will email you when Osan AB comes up. No account needed to look.

How often this route flew

By raw volume, August and March saw the most departures on this route in the year ending October 2026, and December the fewest. The route was active in 10 of the 13 months on record.

Your odds as a retiree

Category VI is the last group called at roll call. On this route, 96 percent of the 26 reported flights still had room by the time Cat VI was called. Those are good odds by any standard.

The lowest category that made each reported flight, in the year ending October 2026:

Seats are the other half of the picture. On the 34 flights that reported both numbers, the terminal released an average of 31 seats and 1 were taken, so a typical flight on this route left with about 30 Space-A seats empty. That is a lot of room, and it is why the Category VI number above is as good as it is.

How to sign up at Kadena AB

Sign-up at Kadena AB is free and does not commit you to anything. You can email the terminal at 733ams.space-available@us.af.mil (the email doubles as your dated proof of sign-up), use the AMC online sign-up portal and call 011-81-611-734-6487 / 011-81-611-734-2159 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.

Questions people ask

How often are there Space-A flights from Kadena AB to Osan AB?

In the year ending October 2026, Kadena AB recorded 34 Space-A flights to Osan AB, 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.

What are a retiree's odds on the Kadena AB to Osan AB route?

In the year ending October 2026, Category VI travelers, which covers retirees and eligible veterans, made the cut on 96 percent of the 26 flights where Kadena AB reported a category for this route.

How do I sign up for a Space-A flight from Kadena AB?

Email 733ams.space-available@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.

One caution worth passing on. These counts cover the roll calls that get published. Terminals miss days and some flights never make the public boards, so the true number is higher than any tracker can see. And the terminal always has the final word: call before you drive.

Space-A Scout collects 72-hour schedules, Patriot Express calendars and roll-call results from more than a hundred passenger terminals, refreshed every twenty minutes. It is free and no account is required. Built by Luke Connally, USMC, Retired, who flies Space-A himself. See every route we hold records for, every base, or start with the five-minute primer.

Category IV	1 flight
Category VI	25 flights

Space-A flights from Kadena AB to Osan AB