Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Columbus via Chicago: arrives on time 29%
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17:42 IAD → 18:50 ORDUA 2497 · United · 2h 08m · 48% on time, 1.1% cancelled
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55m layover in Chicago (ORD) · 45 min minimum on one ticket
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19:45 ORD → 22:24 CMHUA 3614 · United, flown by Republic · 1h 39m · 73% on time, 3.4% cancelled
Total trip 4h 42m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection42%The first flight arrived more than 10 minutes late on 58% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time29%First flight not cancelled (1.1% are) × connection made (42%) × second flight not cancelled (3.4% are) and within 15 minutes (73%).
Total trip4h 42mIAD 17:42 to CMH 22:24, 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.