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

St Louis → Jacksonville via Chicago: arrives on time 49%

  1. 15:35 STL → 16:40 MDW
    WN 556 · Southwest · 1h 05m · 61% on time, 2.9% cancelled
  2. 2h 40m layover in Chicago (MDW) · 45 min minimum on one ticket
  3. 19:20 MDW → 22:35 JAX
    WN 2792 · Southwest · 2h 20m · 51% on time, 2.4% cancelled

Total trip 6h 05m, scheduled departure to arrival (Jacksonville is 1 h ahead of St Louis). Times are local. Both flew on 24 of the last 56 days.

Makes the connection100%The first flight arrived more than 115 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 2h 40m layover.
Arrives on time49%First flight not cancelled (2.9% are) × connection made (100%) × second flight not cancelled (2.4% are) and within 15 minutes (51%).
Total trip6h 05mSTL 15:35 to JAX 22:35, 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.