Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Louisville via Dulles: arrives on time 39%
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14:51 LGA → 16:35 IADUA 3688 · United, flown by Republic · 1h 44m · 63% on time, 5.1% cancelled
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50m 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 4h 27m, scheduled departure to arrival. Times are local. Both flew on 36 of the last 56 days.
Makes the connection56%The first flight arrived more than 5 minutes late on 44% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time39%First flight not cancelled (5.1% are) × connection made (56%) × second flight not cancelled (5.4% are) and within 15 minutes (77%).
Total trip4h 27mLGA 14:51 to SDF 19:18, 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.