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

St Louis → Seattle via Portland: arrives on time 87%

  1. 17:37 STL → 19:47 PDX
    AS 1538 · Alaska · 4h 10m · 88% on time, 3.8% cancelled
  2. 1h 43m layover in Portland (PDX) · 45 min minimum on one ticket
  3. 21:30 PDX → 22:27 SEA
    AS 2421 · Alaska, flown by Horizon · 57m · 90% on time, 0.0% cancelled

Total trip 6h 50m, scheduled departure to arrival (Seattle is 2 h behind St Louis). Times are local. Both flew on 51 of the last 56 days.

Makes the connection100%The first flight arrived more than 58 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 1h 43m layover.
Arrives on time87%First flight not cancelled (3.8% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip6h 50mSTL 17:37 to SEA 22:27, 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.