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

St Louis → Detroit via Philadelphia: arrives on time 84%

  1. 06:14 STL → 09:34 PHL
    AA 1308 · American · 2h 20m · 90% on time, 0.6% cancelled
  2. 3h 02m layover in Philadelphia (PHL) · 90 min minimum on separate tickets
  3. 12:36 PHL → 14:20 DTW
    DL 2331 · Delta · 1h 46m · 92% on time, 4.0% cancelled

Total trip 7h 08m, scheduled departure to arrival (Detroit is 1 h ahead of St Louis). Times are local. Both flew on 56 of the last 56 days.

Makes the connection96%The first flight arrived more than 92 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 3h 02m layover.
Arrives on time84%First flight not cancelled (0.6% are) × connection made (96%) × second flight not cancelled (4.0% are) and within 15 minutes (92%).
Total trip7h 08mSTL 06:14 to DTW 14:20, 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.