Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Greensboro → Philadelphia via Dulles: arrives on time 74%
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06:15 GSO → 07:33 IADUA 4251 · United, flown by CommuteAir · 1h 18m · 91% on time, 0.7% cancelled
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1h 02m layover in Dulles (IAD) · 45 min minimum on one ticket
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08:35 IAD → 09:45 PHLUA 4015 · United, flown by Mesa · 1h 10m · 84% on time, 3.4% cancelled
Total trip 3h 30m, scheduled departure to arrival. Times are local. Both flew on 47 of the last 56 days.
Makes the connection92%The first flight arrived more than 17 minutes late on 8% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time74%First flight not cancelled (0.7% are) × connection made (92%) × second flight not cancelled (3.4% are) and within 15 minutes (84%).
Total trip3h 30mGSO 06:15 to PHL 09:45, 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.