Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Columbia → Philadelphia via Dulles: arrives on time 63%
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10:31 CAE → 12:09 IADUA 4283 · United, flown by CommuteAir · 1h 38m · 83% on time, 0.4% cancelled
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46m layover in Dulles (IAD) · 45 min minimum on one ticket
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12:55 IAD → 14:10 PHLUA 3541 · United, flown by Republic · 1h 15m · 86% on time, 0.0% cancelled
Total trip 3h 39m, scheduled departure to arrival. Times are local. Both flew on 27 of the last 56 days.
Makes the connection74%The first flight arrived more than 1 minutes late on 26% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time63%First flight not cancelled (0.4% are) × connection made (74%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip3h 39mCAE 10:31 to PHL 14:10, 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.