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

Dulles → Philadelphia via Detroit: arrives on time 71%

  1. 17:29 IAD → 19:07 DTW
    DL 1787 · Delta · 1h 38m · 76% on time, 3.8% cancelled
  2. 2h 28m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 21:35 DTW → 23:17 PHL
    DL 2402 · Delta · 1h 42m · 81% on time, 2.5% cancelled

Total trip 5h 48m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.

Makes the connection93%The first flight arrived more than 103 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 2h 28m layover.
Arrives on time71%First flight not cancelled (3.8% are) × connection made (93%) × second flight not cancelled (2.5% are) and within 15 minutes (81%).
Total trip5h 48mIAD 17:29 to PHL 23:17, 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.