Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Louisville → Philadelphia via Houston: arrives on time 55%
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15:41 SDF → 17:10 IAHUA 6310 · United, flown by Mesa · 2h 29m · 78% on time, 0.3% cancelled
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55m layover in Houston (IAH) · 45 min minimum on one ticket
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18:05 IAH → 22:29 PHLUA 1663 · United · 3h 24m · 75% on time, 1.0% cancelled
Total trip 6h 48m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.
Makes the connection75%The first flight arrived more than 10 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time55%First flight not cancelled (0.3% are) × connection made (75%) × second flight not cancelled (1.0% are) and within 15 minutes (75%).
Total trip6h 48mSDF 15:41 to PHL 22:29, 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.