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

Columbus → St Louis via Atlanta: arrives on time 50%

  1. 14:43 CMH → 16:21 ATL
    DL 1750 · Delta · 1h 39m · 77% on time, 1.2% cancelled
  2. 52m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 17:13 ATL → 17:56 STL
    DL 1393 · Delta · 1h 44m · 79% on time, 3.8% cancelled

Total trip 4h 14m, scheduled departure to arrival (St Louis is 1 h behind Columbus). Times are local. Both flew on 56 of the last 56 days.

Makes the connection66%The first flight arrived more than 7 minutes late on 34% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time50%First flight not cancelled (1.2% are) × connection made (66%) × second flight not cancelled (3.8% are) and within 15 minutes (79%).
Total trip4h 14mCMH 14:43 to STL 17:56, 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.