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

Chicago → San Antonio via St Louis: arrives on time 60%

  1. 18:00 MDW → 19:10 STL
    WN 2904 · Southwest · 1h 10m · 70% on time, 4.8% cancelled
  2. 3h 05m layover in St Louis (STL) · 45 min minimum on one ticket
  3. 22:15 STL → 00:25 SAT +1 day
    WN 3979 · Southwest · 2h 05m · 65% on time, 0.0% cancelled

Total trip 6h 20m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.

Makes the connection98%The first flight arrived more than 140 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 05m layover.
Arrives on time60%First flight not cancelled (4.8% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (65%).
Total trip6h 20mMDW 18:00 to SAT 00:25, 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.