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

Dulles → Detroit via Raleigh/Durham: arrives on time 87%

  1. 08:21 IAD → 09:34 RDU
    UA 529 · United · 1h 13m · 69% on time, 2.7% cancelled
  2. 3h 26m layover in Raleigh/Durham (RDU) · 90 min minimum on separate tickets
  3. 13:00 RDU → 14:58 DTW
    DL 2265 · Delta · 1h 58m · 91% on time, 2.1% cancelled

Total trip 6h 37m, scheduled departure to arrival. Times are local. Both flew on 32 of the last 56 days.

Makes the connection100%The first flight arrived more than 116 minutes late on 0% of the days it flew: too late for the 90-minute minimum connection on a 3h 26m layover.
Arrives on time87%First flight not cancelled (2.7% are) × connection made (100%) × second flight not cancelled (2.1% are) and within 15 minutes (91%).
Total trip6h 37mIAD 08:21 to DTW 14:58, 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.