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

St Louis → Boston via Chicago: arrives on time 89%

  1. 05:40 STL → 06:45 MDW
    WN 1008 · Southwest · 1h 05m · 89% on time, 1.8% cancelled
  2. 2h 25m layover in Chicago (MDW) · 45 min minimum on one ticket
  3. 09:10 MDW → 12:28 BOS
    WN 1405 · Southwest · 2h 18m · 92% on time, 0.0% cancelled

Total trip 5h 48m, scheduled departure to arrival (Boston is 1 h ahead of St Louis). Times are local. Both flew on 47 of the last 56 days.

Makes the connection98%The first flight arrived more than 100 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 2h 25m layover.
Arrives on time89%First flight not cancelled (1.8% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (92%).
Total trip5h 48mSTL 05:40 to BOS 12:28, 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.