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

Philadelphia → Dulles via Detroit: arrives on time 80%

  1. 09:46 PHL → 11:31 DTW
    DL 2968 · Delta · 1h 45m · 89% on time, 3.2% cancelled
  2. 3h 39m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 15:10 DTW → 16:42 IAD
    DL 1787 · Delta · 1h 32m · 86% on time, 2.6% cancelled

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

Makes the connection100%The first flight arrived more than 174 minutes late on <1% of the days it flew: too late for the 45-minute minimum connection on a 3h 39m layover.
Arrives on time80%First flight not cancelled (3.2% are) × connection made (100%) × second flight not cancelled (2.6% are) and within 15 minutes (86%).
Total trip6h 56mPHL 09:46 to IAD 16:42, 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.