tailodds FORECAST
Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

San Francisco → St Louis via Seattle: arrives on time 86%

  1. 07:03 SFO → 09:13 SEA
    AS 68 · Alaska · 2h 10m · 87% on time, 0.7% cancelled
  2. 3h 53m layover in Seattle (SEA) · 45 min minimum on one ticket
  3. 13:06 SEA → 18:57 STL
    AS 647 · Alaska · 3h 51m · 88% on time, 0.0% cancelled

Total trip 9h 54m, scheduled departure to arrival (St Louis is 2 h ahead of San Francisco). Times are local. Both flew on 51 of the last 56 days.

Makes the connection99%The first flight arrived more than 188 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 53m layover.
Arrives on time86%First flight not cancelled (0.7% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip9h 54mSFO 07:03 to STL 18:57, 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.