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

San Antonio → Chicago via Detroit: arrives on time 79%

  1. 05:15 SAT → 09:22 DTW
    DL 2497 · Delta · 3h 07m · 95% on time, 1.1% cancelled
  2. 3h 03m layover in Detroit (DTW) · 45 min minimum on one ticket
  3. 12:25 DTW → 12:46 MDW
    DL 4688 · Delta, flown by Endeavor · 1h 21m · 82% on time, 1.2% cancelled

Total trip 7h 31m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 138 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 03m layover.
Arrives on time79%First flight not cancelled (1.1% are) × connection made (99%) × second flight not cancelled (1.2% are) and within 15 minutes (82%).
Total trip7h 31mSAT 05:15 to MDW 12:46, 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.