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

Charleston → St Louis via Chicago: arrives on time 34%

  1. 15:08 CHS → 16:54 ORD
    UA 3426 · United, flown by Republic · 2h 46m · 66% on time, 8.3% cancelled
  2. 1h 01m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 17:55 ORD → 19:23 STL
    UA 4412 · United, flown by GoJet · 1h 28m · 56% on time, 2.7% cancelled

Total trip 5h 15m, scheduled departure to arrival (St Louis is 1 h behind Charleston). Times are local. Both flew on 37 of the last 56 days.

Makes the connection68%The first flight arrived more than 16 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 1h 01m layover.
Arrives on time34%First flight not cancelled (8.3% are) × connection made (68%) × second flight not cancelled (2.7% are) and within 15 minutes (56%).
Total trip5h 15mCHS 15:08 to STL 19:23, 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.