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

Chattanooga → Houston via Chicago: arrives on time 70%

  1. 13:53 CHA → 14:55 ORD
    UA 4571 · United, flown by GoJet · 2h 02m · 69% on time, 2.8% cancelled
  2. 2h 50m layover in Chicago (ORD) · 45 min minimum on one ticket
  3. 17:45 ORD → 20:50 IAH
    UA 1954 · United · 3h 05m · 77% on time, 1.4% cancelled

Total trip 7h 57m, scheduled departure to arrival (Houston is 1 h behind Chattanooga). Times are local. Both flew on 56 of the last 56 days.

Makes the connection94%The first flight arrived more than 125 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 2h 50m layover.
Arrives on time70%First flight not cancelled (2.8% are) × connection made (94%) × second flight not cancelled (1.4% are) and within 15 minutes (77%).
Total trip7h 57mCHA 13:53 to IAH 20:50, 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.