Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Columbia → Newark via Dulles: arrives on time 62%
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19:45 CAE → 21:24 IADUA 4259 · United, flown by CommuteAir · 1h 39m · 84% on time, 3.0% cancelled
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1h 05m layover in Dulles (IAD) · 45 min minimum on one ticket
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22:29 IAD → 23:59 EWRUA 1997 · United · 1h 30m · 78% on time, 3.4% cancelled
Total trip 4h 14m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.
Makes the connection84%The first flight arrived more than 20 minutes late on 16% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time62%First flight not cancelled (3.0% are) × connection made (84%) × second flight not cancelled (3.4% are) and within 15 minutes (78%).
Total trip4h 14mCAE 19:45 to EWR 23:59, 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.