Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Louisville → Boston via Baltimore: arrives on time 68%
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05:50 SDF → 07:25 BWIWN 4612 · Southwest · 1h 35m · 88% on time, 3.4% cancelled
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50m layover in Baltimore (BWI) · 45 min minimum on one ticket
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08:15 BWI → 09:50 BOSWN 884 · Southwest · 1h 35m · 89% on time, 3.5% cancelled
Total trip 4h 00m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.
Makes the connection82%The first flight arrived more than 5 minutes late on 18% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time68%First flight not cancelled (3.4% are) × connection made (82%) × second flight not cancelled (3.5% are) and within 15 minutes (89%).
Total trip4h 00mSDF 05:50 to BOS 09:50, 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.