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

San Francisco → St Louis via Seattle: arrives on time 88%

  1. 07:00 SFO → 09:22 SEA
    UA 1708 · United · 2h 22m · 92% on time, 0.0% cancelled
  2. 3h 44m layover in Seattle (SEA) · 90 min minimum on separate tickets
  3. 13:06 SEA → 18:57 STL
    AS 647 · Alaska · 3h 51m · 88% on time, 0.0% cancelled

Total trip 9h 57m, scheduled departure to arrival (St Louis is 2 h ahead of San Francisco). Times are local. Both flew on 49 of the last 56 days.

Makes the connection100%The first flight arrived more than 134 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 44m layover.
Arrives on time88%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip9h 57mSFO 07:00 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.