Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Philadelphia → Louisville via Chicago: arrives on time 17%
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19:00 PHL → 20:33 ORDUA 2797 · United · 2h 33m · 48% on time, 8.3% cancelled
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52m layover in Chicago (ORD) · 45 min minimum on one ticket
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21:25 ORD → 23:59 SDFUA 3659 · United, flown by Republic · 1h 34m · 73% on time, 11.1% cancelled
Total trip 4h 59m, scheduled departure to arrival. Times are local. Both flew on 36 of the last 56 days.
Makes the connection28%The first flight arrived more than 7 minutes late on 72% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time17%First flight not cancelled (8.3% are) × connection made (28%) × second flight not cancelled (11.1% are) and within 15 minutes (73%).
Total trip4h 59mPHL 19:00 to SDF 23:59, 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.