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

Philadelphia → Portland via Detroit: arrives on time 39%

  1. 17:22 PHL → 19:09 DTW
    DL 1391 · Delta · 1h 47m · 70% on time, 2.4% cancelled
  2. 55m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 20:04 DTW → 21:50 PDX
    DL 913 · Delta · 4h 45m · 60% on time, 1.8% cancelled

Total trip 7h 27m, scheduled departure to arrival (Portland is 3 h behind Philadelphia). Times are local. Both flew on 30 of the last 56 days.

Makes the connection67%The first flight arrived more than 10 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time39%First flight not cancelled (2.4% are) × connection made (67%) × second flight not cancelled (1.8% are) and within 15 minutes (60%).
Total trip7h 27mPHL 17:22 to PDX 21:50, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.