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

Louisville → Chicago via Houston: arrives on time 82%

  1. 06:15 SDF → 07:42 IAH
    UA 6266 · United, flown by Mesa · 2h 27m · 88% on time, 1.1% cancelled
  2. 1h 53m layover in Houston (IAH) · 45 min minimum on one ticket
  3. 09:35 IAH → 12:29 ORD
    UA 2124 · United · 2h 54m · 86% on time, 0.3% cancelled

Total trip 7h 14m, scheduled departure to arrival (Chicago is 1 h behind Louisville). Times are local. Both flew on 56 of the last 56 days.

Makes the connection97%The first flight arrived more than 68 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 1h 53m layover.
Arrives on time82%First flight not cancelled (1.1% are) × connection made (97%) × second flight not cancelled (0.3% are) and within 15 minutes (86%).
Total trip7h 14mSDF 06:15 to ORD 12:29, 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.