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

Seattle → Detroit via San Francisco: arrives on time 96%

  1. 16:36 SEA → 18:48 SFO
    AS 1385 · Alaska · 2h 12m · 71% on time, 1.3% cancelled
  2. 2h 42m layover in San Francisco (SFO) · 90 min minimum on separate tickets
  3. 21:30 SFO → 05:20 DTW +1 day
    UA 234 · United · 4h 50m · 100% on time, 0.0% cancelled

Total trip 9h 44m, scheduled departure to arrival (Detroit is 3 h ahead of Seattle). Times are local. Both flew on 28 of the last 56 days.

Makes the connection97%The first flight arrived more than 72 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 2h 42m layover.
Arrives on time96%First flight not cancelled (1.3% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (100%).
Total trip9h 44mSEA 16:36 to DTW 05:20, 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.