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

Atlanta → St Louis via Philadelphia: arrives on time 80%

  1. 06:00 ATL → 08:11 PHL
    AA 3270 · American · 2h 10m · 93% on time, 2.8% cancelled
  2. 49m layover in Philadelphia (PHL) · 45 min minimum on one ticket
  3. 09:00 PHL → 10:36 STL
    AA 2720 · American · 2h 35m · 92% on time, 0.0% cancelled

Total trip 5h 35m, scheduled departure to arrival (St Louis is 1 h behind Atlanta). Times are local. Both flew on 48 of the last 56 days.

Makes the connection90%The first flight arrived more than 4 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 49m layover.
Arrives on time80%First flight not cancelled (2.8% are) × connection made (90%) × second flight not cancelled (0.0% are) and within 15 minutes (92%).
Total trip5h 35mATL 06:00 to STL 10:36, 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.