Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Columbus via Houston: arrives on time 82%
-
08:40 IAD → 10:59 IAHUA 1524 · United · 3h 19m · 89% on time, 0.6% cancelled
-
1h 16m layover in Houston (IAH) · 45 min minimum on one ticket
-
12:15 IAH → 16:05 CMHUA 4072 · United, flown by Mesa · 2h 50m · 89% on time, 0.0% cancelled
Total trip 7h 25m, scheduled departure to arrival. Times are local. Both flew on 35 of the last 56 days.
Makes the connection93%The first flight arrived more than 31 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 16m layover.
Arrives on time82%First flight not cancelled (0.6% are) × connection made (93%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip7h 25mIAD 08:40 to CMH 16:05, 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.