Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Louisville → Houston via Nashville: arrives on time 15%
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18:05 SDF → 17:55 BNAWN 1712 · Southwest · 50m · 45% on time, 0.0% cancelled
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1h 00m layover in Nashville (BNA) · 45 min minimum on one ticket
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18:55 BNA → 21:02 HOUWN 534 · Southwest · 2h 05m · 33% on time, 0.0% cancelled
Total trip 3h 55m, scheduled departure to arrival (Houston is 1 h behind Louisville). Times are local. Both flew on 56 of the last 56 days.
Makes the connection45%The first flight arrived more than 15 minutes late on 55% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time15%First flight not cancelled (0.0% are) × connection made (45%) × second flight not cancelled (0.0% are) and within 15 minutes (33%).
Total trip3h 55mSDF 18:05 to HOU 21:02, 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.