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

St Louis → Phoenix via Denver: arrives on time 76%

  1. 05:45 STL → 07:00 DEN
    WN 3909 · Southwest · 2h 15m · 91% on time, 0.0% cancelled
  2. 1h 00m layover in Denver (DEN) · 45 min minimum on one ticket
  3. 08:00 DEN → 09:05 PHX
    WN 3336 · Southwest · 2h 05m · 83% on time, 0.0% cancelled

Total trip 5h 20m, scheduled departure to arrival (Phoenix is 2 h behind St Louis). Times are local. Both flew on 40 of the last 56 days.

Makes the connection91%The first flight arrived more than 15 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time76%First flight not cancelled (0.0% are) × connection made (91%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip5h 20mSTL 05:45 to PHX 09:05, 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.