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

Anchorage → Detroit via Dulles: arrives on time 89%

  1. 20:15 ANC → 07:12 IAD
    UA 572 · United · 6h 57m · 80% on time, 0.0% cancelled
  2. 3h 58m layover in Dulles (IAD) · 90 min minimum on separate tickets
  3. 11:10 IAD → 12:44 DTW +1 day
    DL 2884 · Delta · 1h 34m · 90% on time, 0.0% cancelled

Total trip 12h 29m, scheduled departure to arrival (Detroit is 4 h ahead of Anchorage). Times are local. Both flew on 48 of the last 56 days.

Makes the connection99%The first flight arrived more than 148 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 58m layover.
Arrives on time89%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (90%).
Total trip12h 29mANC 20:15 to DTW 12:44, 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.