Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Las Vegas → Louisville via Chicago: arrives on time 61%
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11:20 LAS → 16:50 MDWWN 4506 · Southwest · 3h 30m · 56% on time, 0.0% cancelled
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2h 55m layover in Chicago (MDW) · 45 min minimum on one ticket
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19:45 MDW → 21:55 SDFWN 4597 · Southwest · 1h 12m · 70% on time, 4.8% cancelled
Total trip 7h 37m, scheduled departure to arrival (Louisville is 3 h ahead of Las Vegas). Times are local. Both flew on 24 of the last 56 days.
Makes the connection92%The first flight arrived more than 130 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 2h 55m layover.
Arrives on time61%First flight not cancelled (0.0% are) × connection made (92%) × second flight not cancelled (4.8% are) and within 15 minutes (70%).
Total trip7h 37mLAS 11:20 to SDF 21:55, 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.