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

Seattle → Philadelphia via Detroit: arrives on time 85%

  1. 23:10 SEA → 06:27 DTW
    DL 810 · Delta · 4h 17m · 88% on time, 1.1% cancelled
  2. 3h 43m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 10:10 DTW → 11:46 PHL +1 day
    DL 2331 · Delta · 1h 39m · 89% on time, 2.4% cancelled

Total trip 9h 39m, scheduled departure to arrival (Philadelphia is 3 h ahead of Seattle). Times are local. Both flew on 55 of the last 56 days.

Makes the connection99%The first flight arrived more than 178 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 43m layover.
Arrives on time85%First flight not cancelled (1.1% are) × connection made (99%) × second flight not cancelled (2.4% are) and within 15 minutes (89%).
Total trip9h 39mSEA 23:10 to PHL 11:46, 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.