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

Denver → St Louis via Phoenix: arrives on time 10%

  1. 18:55 DEN → 19:50 PHX
    WN 1683 · Southwest · 2h 00m · 29% on time, 0.0% cancelled
  2. 1h 05m layover in Phoenix (PHX) · 45 min minimum on one ticket
  3. 20:55 PHX → 01:52 STL +1 day
    WN 3354 · Southwest · 2h 58m · 32% on time, 3.8% cancelled

Total trip 5h 58m, scheduled departure to arrival (St Louis is 1 h ahead of Denver). Times are local. Both flew on 24 of the last 56 days.

Makes the connection33%The first flight arrived more than 20 minutes late on 67% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time10%First flight not cancelled (0.0% are) × connection made (33%) × second flight not cancelled (3.8% are) and within 15 minutes (32%).
Total trip5h 58mDEN 18:55 to STL 01:52, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.