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

St Louis → Chicago via New York: arrives on time 82%

  1. 05:40 STL → 09:00 LGA
    WN 4939 · Southwest · 2h 20m · 96% on time, 2.0% cancelled
  2. 1h 55m layover in New York (LGA) · 45 min minimum on one ticket
  3. 10:55 LGA → 12:15 MDW
    WN 4573 · Southwest · 2h 20m · 85% on time, 0.0% cancelled

Total trip 6h 35m, scheduled departure to arrival. Times are local. Both flew on 24 of the last 56 days.

Makes the connection98%The first flight arrived more than 70 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 55m layover.
Arrives on time82%First flight not cancelled (2.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip6h 35mSTL 05:40 to MDW 12:15, 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.