Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Washington → Columbus via Houston: arrives on time 40%
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16:59 DCA → 19:27 IAHUA 1785 · United · 3h 28m · 66% on time, 0.7% cancelled
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46m layover in Houston (IAH) · 45 min minimum on one ticket
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20:13 IAH → 23:59 CMHUA 2086 · United · 2h 46m · 76% on time, 1.4% cancelled
Total trip 7h 00m, scheduled departure to arrival. Times are local. Both flew on 48 of the last 56 days.
Makes the connection53%The first flight arrived more than 1 minutes late on 47% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time40%First flight not cancelled (0.7% are) × connection made (53%) × second flight not cancelled (1.4% are) and within 15 minutes (76%).
Total trip7h 00mDCA 16:59 to CMH 23:59, 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.