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

Columbus → Houston via Chicago: arrives on time 52%

  1. 09:00 CMH → 09:36 ORD
    UA 466 · United · 1h 36m · 81% on time, 6.1% cancelled
  2. 49m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 10:25 ORD → 13:23 IAH
    UA 2638 · United · 2h 58m · 87% on time, 0.0% cancelled

Total trip 5h 23m, scheduled departure to arrival (Houston is 1 h behind Columbus). Times are local. Both flew on 37 of the last 56 days.

Makes the connection63%The first flight arrived more than 4 minutes late on 37% of the days it flew: too late for the 45-minute minimum connection on a 49m layover.
Arrives on time52%First flight not cancelled (6.1% are) × connection made (63%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip5h 23mCMH 09:00 to IAH 13:23, 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.