Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dallas-Fort Worth → Louisville via Houston: arrives on time 78%
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11:59 DFW → 13:17 IAHUA 539 · United · 1h 18m · 85% on time, 1.7% cancelled
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3h 18m layover in Houston (IAH) · 45 min minimum on one ticket
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16:35 IAH → 20:01 SDFUA 4050 · United, flown by Mesa · 2h 26m · 84% on time, 2.7% cancelled
Total trip 7h 02m, scheduled departure to arrival (Louisville is 1 h ahead of Dallas-Fort Worth). Times are local. Both flew on 47 of the last 56 days.
Makes the connection97%The first flight arrived more than 153 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 18m layover.
Arrives on time78%First flight not cancelled (1.7% are) × connection made (97%) × second flight not cancelled (2.7% are) and within 15 minutes (84%).
Total trip7h 02mDFW 11:59 to SDF 20:01, 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.