tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Seattle → Columbus via San Francisco: arrives on time 87%

  1. 16:36 SEA → 18:48 SFO
    AS 1385 · Alaska · 2h 12m · 71% on time, 1.3% cancelled
  2. 2h 35m layover in San Francisco (SFO) · 90 min minimum on separate tickets
  3. 21:23 SFO → 05:15 CMH +1 day
    UA 1939 · United · 4h 52m · 90% on time, 0.0% cancelled

Total trip 9h 39m, scheduled departure to arrival (Columbus is 3 h ahead of Seattle). Times are local. Both flew on 22 of the last 56 days.

Makes the connection97%The first flight arrived more than 65 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 2h 35m layover.
Arrives on time87%First flight not cancelled (1.3% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip9h 39mSEA 16:36 to CMH 05:15, layover included

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.