Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Houston → Charleston via Chicago: arrives on time 76%

  1. 09:35 IAH → 12:29 ORD
    UA 2124 · United · 2h 54m · 86% on time, 0.3% cancelled
  2. 3h 37m layover in Chicago (ORD) · 90 min minimum on separate tickets
  3. 16:06 ORD → 19:31 CHS
    AA 3454 · American, flown by Envoy · 2h 28m · 80% on time, 2.8% cancelled

Total trip 8h 59m, scheduled departure to arrival (Charleston is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 127 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 37m layover.
Arrives on time76%First flight not cancelled (0.3% are) × connection made (99%) × second flight not cancelled (2.8% are) and within 15 minutes (80%).
Total trip8h 59mIAH 09:35 to CHS 19:31, 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.