tailodds FORECAST
Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

St Louis → Las Vegas via Denver: arrives on time 81%

  1. 05:45 STL → 07:00 DEN
    WN 3909 · Southwest · 2h 15m · 91% on time, 0.0% cancelled
  2. 3h 25m layover in Denver (DEN) · 90 min minimum on separate tickets
  3. 10:25 DEN → 11:29 LAS
    F9 1993 · Frontier · 2h 04m · 81% on time, 0.3% cancelled

Total trip 7h 44m, scheduled departure to arrival (Las Vegas is 2 h behind St Louis). Times are local. Both flew on 56 of the last 56 days.

Makes the connection100%The first flight arrived more than 115 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 25m layover.
Arrives on time81%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.3% are) and within 15 minutes (81%).
Total trip7h 44mSTL 05:45 to LAS 11:29, 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.