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

Charleston → Denver via St Louis: arrives on time 26%

  1. 16:45 CHS → 17:50 STL
    WN 493 · Southwest · 2h 10m · 67% on time, 0.0% cancelled
  2. 50m layover in St Louis (STL) · 45 min minimum on one ticket
  3. 18:40 STL → 20:00 DEN
    WN 3913 · Southwest · 2h 20m · 47% on time, 0.0% cancelled

Total trip 5h 15m, scheduled departure to arrival (Denver is 2 h behind Charleston). Times are local. Both flew on 48 of the last 56 days.

Makes the connection54%The first flight arrived more than 5 minutes late on 46% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time26%First flight not cancelled (0.0% are) × connection made (54%) × second flight not cancelled (0.0% are) and within 15 minutes (47%).
Total trip5h 15mCHS 16:45 to DEN 20:00, 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.