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

San Diego → St Louis via Chicago: arrives on time 95%

  1. 22:40 SAN → 04:40 MDW
    WN 257 · Southwest · 4h 00m · 92% on time, 0.0% cancelled
  2. 3h 10m layover in Chicago (MDW) · 45 min minimum on one ticket
  3. 07:50 MDW → 09:10 STL +1 day
    WN 2900 · Southwest · 1h 20m · 95% on time, 0.0% cancelled

Total trip 8h 30m, scheduled departure to arrival (St Louis is 2 h ahead of San Diego). Times are local. Both flew on 22 of the last 56 days.

Makes the connection100%The first flight arrived more than 145 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 10m layover.
Arrives on time95%First flight not cancelled (0.0% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (95%).
Total trip8h 30mSAN 22:40 to STL 09:10, 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.