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

St Louis → Boston via Baltimore: arrives on time 78%

  1. 06:15 STL → 09:18 BWI
    WN 3894 · Southwest · 2h 02m · 92% on time, 0.0% cancelled
  2. 1h 22m layover in Baltimore (BWI) · 45 min minimum on one ticket
  3. 10:40 BWI → 12:10 BOS
    WN 887 · Southwest · 1h 30m · 80% on time, 0.0% cancelled

Total trip 4h 55m, scheduled departure to arrival (Boston is 1 h ahead of St Louis). Times are local. Both flew on 48 of the last 56 days.

Makes the connection98%The first flight arrived more than 37 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 22m layover.
Arrives on time78%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (80%).
Total trip4h 55mSTL 06:15 to BOS 12:10, 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.