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

St Louis → Jacksonville via Chicago: arrives on time 64%

  1. 08:00 STL → 09:35 ORD
    UA 4183 · United, flown by GoJet · 1h 35m · 72% on time, 0.5% cancelled
  2. 1h 07m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 10:42 ORD → 14:27 JAX
    UA 2427 · United · 2h 45m · 80% on time, 1.4% cancelled

Total trip 5h 27m, scheduled departure to arrival (Jacksonville is 1 h ahead of St Louis). Times are local. Both flew on 37 of the last 56 days.

Makes the connection82%The first flight arrived more than 22 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 1h 07m layover.
Arrives on time64%First flight not cancelled (0.5% are) × connection made (82%) × second flight not cancelled (1.4% are) and within 15 minutes (80%).
Total trip5h 27mSTL 08:00 to JAX 14:27, 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.