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

San Antonio → Detroit via Chicago: arrives on time 40%

  1. 14:48 SAT → 17:22 MDW
    WN 3584 · Southwest · 2h 35m · 71% on time, 2.0% cancelled
  2. 1h 28m layover in Chicago (MDW) · 45 min minimum on one ticket
  3. 18:50 MDW → 21:00 DTW
    WN 4200 · Southwest · 1h 12m · 54% on time, 7.1% cancelled

Total trip 5h 14m, scheduled departure to arrival (Detroit is 1 h ahead of San Antonio). Times are local. Both flew on 40 of the last 56 days.

Makes the connection81%The first flight arrived more than 43 minutes late on 19% of the days it flew: too late for the 45-minute minimum connection on a 1h 28m layover.
Arrives on time40%First flight not cancelled (2.0% are) × connection made (81%) × second flight not cancelled (7.1% are) and within 15 minutes (54%).
Total trip5h 14mSAT 14:48 to DTW 21:00, 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.