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

Chicago → Seattle via Detroit: arrives on time 65%

  1. 09:17 MDW → 11:35 DTW
    DL 4674 · Delta, flown by Endeavor · 1h 18m · 84% on time, 0.0% cancelled
  2. 56m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 12:31 DTW → 14:30 SEA
    DL 728 · Delta · 4h 59m · 78% on time, 0.8% cancelled

Total trip 7h 13m, scheduled departure to arrival (Seattle is 2 h behind Chicago). Times are local. Both flew on 55 of the last 56 days.

Makes the connection84%The first flight arrived more than 11 minutes late on 16% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time65%First flight not cancelled (0.0% are) × connection made (84%) × second flight not cancelled (0.8% are) and within 15 minutes (78%).
Total trip7h 13mMDW 09:17 to SEA 14:30, 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.