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

St Louis → Baltimore via Charlotte: arrives on time 19%

  1. 16:05 STL → 18:55 CLT
    WN 4937 · Southwest · 1h 50m · 52% on time, 0.0% cancelled
  2. 55m layover in Charlotte (CLT) · 45 min minimum on one ticket
  3. 19:50 CLT → 21:25 BWI
    WN 478 · Southwest · 1h 35m · 44% on time, 7.1% cancelled

Total trip 4h 20m, scheduled departure to arrival (Baltimore is 1 h ahead of St Louis). Times are local. Both flew on 40 of the last 56 days.

Makes the connection46%The first flight arrived more than 10 minutes late on 54% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time19%First flight not cancelled (0.0% are) × connection made (46%) × second flight not cancelled (7.1% are) and within 15 minutes (44%).
Total trip4h 20mSTL 16:05 to BWI 21:25, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.