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

Chicago → Seattle via Detroit: arrives on time 57%

  1. 13:26 MDW → 15:44 DTW
    DL 4688 · Delta, flown by Endeavor · 1h 18m · 81% on time, 1.2% cancelled
  2. 1h 02m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 16:46 DTW → 18:45 SEA
    DL 944 · Delta · 4h 59m · 72% on time, 0.0% cancelled

Total trip 7h 19m, scheduled departure to arrival (Seattle is 2 h behind Chicago). Times are local. Both flew on 56 of the last 56 days.

Makes the connection81%The first flight arrived more than 17 minutes late on 19% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time57%First flight not cancelled (1.2% are) × connection made (81%) × second flight not cancelled (0.0% are) and within 15 minutes (72%).
Total trip7h 19mMDW 13:26 to SEA 18:45, 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.