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

Philadelphia → Grand Rapids via Detroit: arrives on time 69%

  1. 17:22 PHL → 19:09 DTW
    DL 1391 · Delta · 1h 47m · 70% on time, 2.4% cancelled
  2. 3h 46m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 22:55 DTW → 23:57 GRR
    DL 4880 · Delta, flown by Endeavor · 1h 02m · 79% on time, 2.8% cancelled

Total trip 6h 35m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection92%The first flight arrived more than 181 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 3h 46m layover.
Arrives on time69%First flight not cancelled (2.4% are) × connection made (92%) × second flight not cancelled (2.8% are) and within 15 minutes (79%).
Total trip6h 35mPHL 17:22 to GRR 23:57, 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.