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

Columbus → St Louis via Atlanta: arrives on time 79%

  1. 07:05 CMH → 08:42 ATL
    DL 2909 · Delta · 1h 39m · 93% on time, 1.3% cancelled
  2. 3h 10m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 11:52 ATL → 12:34 STL
    DL 566 · Delta · 1h 38m · 83% on time, 1.4% cancelled

Total trip 6h 25m, scheduled departure to arrival (St Louis is 1 h behind Columbus). Times are local. Both flew on 55 of the last 56 days.

Makes the connection98%The first flight arrived more than 145 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 10m layover.
Arrives on time79%First flight not cancelled (1.3% are) × connection made (98%) × second flight not cancelled (1.4% are) and within 15 minutes (83%).
Total trip6h 25mCMH 07:05 to STL 12:34, 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.