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

St Louis → Denver via Atlanta: arrives on time 80%

  1. 06:00 STL → 08:38 ATL
    DL 1524 · Delta · 1h 38m · 96% on time, 1.6% cancelled
  2. 1h 12m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 09:50 ATL → 11:07 DEN
    DL 995 · Delta · 3h 17m · 86% on time, 1.9% cancelled

Total trip 6h 07m, scheduled departure to arrival (Denver is 1 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 27 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time80%First flight not cancelled (1.6% are) × connection made (97%) × second flight not cancelled (1.9% are) and within 15 minutes (86%).
Total trip6h 07mSTL 06:00 to DEN 11:07, 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.