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

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

  1. 06:25 PHL → 08:32 ATL
    DL 1152 · Delta · 2h 06m · 89% on time, 1.9% cancelled
  2. 3h 20m 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 7h 05m, scheduled departure to arrival (St Louis is 1 h behind Philadelphia). Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 155 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 20m layover.
Arrives on time79%First flight not cancelled (1.9% are) × connection made (99%) × second flight not cancelled (1.4% are) and within 15 minutes (83%).
Total trip7h 05mPHL 06:25 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.