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

St Louis → Chicago via Atlanta: arrives on time 73%

  1. 07:08 STL → 09:45 ATL
    DL 1536 · Delta · 1h 37m · 97% on time, 1.5% cancelled
  2. 3h 17m layover in Atlanta (ATL) · 45 min minimum on one ticket
  3. 13:02 ATL → 14:16 ORD
    DL 1477 · Delta · 2h 14m · 76% on time, 1.7% cancelled

Total trip 7h 08m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 152 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 17m layover.
Arrives on time73%First flight not cancelled (1.5% are) × connection made (99%) × second flight not cancelled (1.7% are) and within 15 minutes (76%).
Total trip7h 08mSTL 07:08 to ORD 14:16, 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.