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

St Louis → Seattle via Denver: arrives on time 67%

  1. 13:38 STL → 15:00 DEN
    UA 1380 · United · 2h 22m · 86% on time, 0.8% cancelled
  2. 58m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 15:58 DEN → 17:59 SEA
    UA 2013 · United · 3h 01m · 80% on time, 0.8% cancelled

Total trip 6h 21m, scheduled departure to arrival (Seattle is 2 h behind St Louis). Times are local. Both flew on 55 of the last 56 days.

Makes the connection84%The first flight arrived more than 13 minutes late on 16% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time67%First flight not cancelled (0.8% are) × connection made (84%) × second flight not cancelled (0.8% are) and within 15 minutes (80%).
Total trip6h 21mSTL 13:38 to SEA 17:59, 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.