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

Seattle → St Louis via Philadelphia: arrives on time 91%

  1. 22:02 SEA → 06:13 PHL
    AS 522 · Alaska · 5h 11m · 88% on time, 0.0% cancelled
  2. 2h 47m layover in Philadelphia (PHL) · 90 min minimum on separate tickets
  3. 09:00 PHL → 10:36 STL +1 day
    AA 2720 · American · 2h 35m · 92% on time, 0.0% cancelled

Total trip 10h 33m, scheduled departure to arrival (St Louis is 2 h ahead of Seattle). Times are local. Both flew on 44 of the last 56 days.

Makes the connection99%The first flight arrived more than 77 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 2h 47m layover.
Arrives on time91%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (92%).
Total trip10h 33mSEA 22:02 to STL 10:36, 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.