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

St Louis → Charleston via Dulles: arrives on time 60%

  1. 12:55 STL → 16:07 IAD
    UA 4454 · United, flown by GoJet · 2h 12m · 72% on time, 1.1% cancelled
  2. 1h 08m layover in Dulles (IAD) · 45 min minimum on one ticket
  3. 17:15 IAD → 19:05 CHS
    UA 6258 · United, flown by Mesa · 1h 50m · 82% on time, 0.8% cancelled

Total trip 5h 10m, scheduled departure to arrival (Charleston is 1 h ahead of St Louis). Times are local. Both flew on 18 of the last 56 days, too few to list among the best connections.

Makes the connection74%The first flight arrived more than 23 minutes late on 26% of the days it flew: too late for the 45-minute minimum connection on a 1h 08m layover.
Arrives on time60%First flight not cancelled (1.1% are) × connection made (74%) × second flight not cancelled (0.8% are) and within 15 minutes (82%).
Total trip5h 10mSTL 12:55 to CHS 19:05, 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.