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

Harrisburg → Dulles via Detroit: arrives on time 88%

  1. 06:15 MDT → 07:52 DTW
    DL 4787 · Delta, flown by Endeavor · 1h 37m · 96% on time, 1.8% cancelled
  2. 2h 21m layover in Detroit (DTW) · 90 min minimum on separate tickets
  3. 10:13 DTW → 11:50 IAD
    UA 3500 · United, flown by Republic · 1h 37m · 93% on time, 0.0% cancelled

Total trip 5h 35m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.

Makes the connection96%The first flight arrived more than 51 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 2h 21m layover.
Arrives on time88%First flight not cancelled (1.8% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (93%).
Total trip5h 35mMDT 06:15 to IAD 11:50, 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.