Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Louisville → Dallas via Houston: arrives on time 48%
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15:00 SDF → 16:20 HOUWN 3606 · Southwest · 2h 20m · 58% on time, 0.0% cancelled
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1h 10m layover in Houston (HOU) · 45 min minimum on one ticket
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17:30 HOU → 18:40 DALWN 46 · Southwest · 1h 10m · 73% on time, 1.8% cancelled
Total trip 4h 40m, scheduled departure to arrival (Dallas is 1 h behind Louisville). Times are local. Both flew on 31 of the last 56 days.
Makes the connection67%The first flight arrived more than 25 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time48%First flight not cancelled (0.0% are) × connection made (67%) × second flight not cancelled (1.8% are) and within 15 minutes (73%).
Total trip4h 40mSDF 15:00 to DAL 18:40, 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.