Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Phoenix → Louisville via Dulles: arrives on time 69%
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08:50 PHX → 16:17 IADUA 1873 · United · 4h 27m · 92% on time, 0.6% cancelled
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1h 08m layover in Dulles (IAD) · 45 min minimum on one ticket
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17:25 IAD → 19:18 SDFUA 3538 · United, flown by Republic · 1h 53m · 77% on time, 5.4% cancelled
Total trip 7h 28m, scheduled departure to arrival (Louisville is 3 h ahead of Phoenix). Times are local. Both flew on 37 of the last 56 days.
Makes the connection95%The first flight arrived more than 23 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 1h 08m layover.
Arrives on time69%First flight not cancelled (0.6% are) × connection made (95%) × second flight not cancelled (5.4% are) and within 15 minutes (77%).
Total trip7h 28mPHX 08:50 to SDF 19:18, 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.