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

Denver → Portland via Detroit: arrives on time 85%

  1. 06:05 DEN → 10:57 DTW
    DL 1745 · Delta · 2h 52m · 90% on time, 0.3% cancelled
  2. 3h 03m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 14:00 DTW → 15:55 PWM
    DL 1821 · Delta · 1h 55m · 89% on time, 1.8% cancelled

Total trip 7h 50m, scheduled departure to arrival (Portland is 2 h ahead of Denver). Times are local. Both flew on 55 of the last 56 days.

Makes the connection98%The first flight arrived more than 138 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 03m layover.
Arrives on time85%First flight not cancelled (0.3% are) × connection made (98%) × second flight not cancelled (1.8% are) and within 15 minutes (89%).
Total trip7h 50mDEN 06:05 to PWM 15:55, 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.