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

Birmingham → Detroit via Philadelphia: arrives on time 82%

  1. 06:00 BHM → 09:20 PHL
    AA 5218 · American, flown by PSA · 2h 20m · 91% on time, 2.8% cancelled
  2. 3h 16m 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 22m, scheduled departure to arrival (Detroit is 1 h ahead of Birmingham). Times are local. Both flew on 56 of the last 56 days.

Makes the connection95%The first flight arrived more than 106 minutes late on 5% of the days it flew: too late for the 90-minute minimum connection on a 3h 16m layover.
Arrives on time82%First flight not cancelled (2.8% are) × connection made (95%) × second flight not cancelled (4.0% are) and within 15 minutes (92%).
Total trip7h 22mBHM 06:00 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.