Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

St Louis → Philadelphia via Atlanta: arrives on time 92%

  1. 06:00 STL → 08:38 ATL
    DL 1524 · Delta · 1h 38m · 96% on time, 1.6% cancelled
  2. 3h 47m layover in Atlanta (ATL) · 90 min minimum on separate tickets
  3. 12:25 ATL → 14:36 PHL
    AA 4338 · American, flown by Republic · 2h 11m · 94% on time, 0.0% cancelled

Total trip 7h 36m, scheduled departure to arrival (Philadelphia is 1 h ahead of St Louis). Times are local. Both flew on 22 of the last 56 days.

Makes the connection99%The first flight arrived more than 137 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 47m layover.
Arrives on time92%First flight not cancelled (1.6% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (94%).
Total trip7h 36mSTL 06:00 to PHL 14:36, 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.