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

St Louis → Phoenix via Denver: arrives on time 86%

  1. 05:45 STL → 07:00 DEN
    WN 3909 · Southwest · 2h 15m · 91% on time, 0.0% cancelled
  2. 1h 40m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 08:40 DEN → 09:35 PHX
    WN 431 · Southwest · 1h 55m · 89% on time, 0.0% cancelled

Total trip 5h 50m, scheduled departure to arrival (Phoenix is 2 h behind St Louis). Times are local. Both flew on 55 of the last 56 days.

Makes the connection97%The first flight arrived more than 55 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 40m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip5h 50mSTL 05:45 to PHX 09:35, 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.