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

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

  1. 06:30 DEN → 11:38 ATL
    F9 3294 · Frontier · 3h 08m · 88% on time, 0.0% cancelled
  2. 2h 31m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 14:09 ATL → 14:48 STL
    DL 2700 · Delta · 1h 41m · 90% on time, 1.3% cancelled

Total trip 7h 20m, scheduled departure to arrival (St Louis is 1 h ahead of Denver). Times are local. Both flew on 55 of the last 56 days.

Makes the connection97%The first flight arrived more than 61 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 2h 31m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (97%) × second flight not cancelled (1.3% are) and within 15 minutes (90%).
Total trip7h 20mDEN 06:30 to STL 14:48, 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.