Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dayton → Dulles via Chicago: arrives on time 42%
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14:23 DAY → 14:55 ORDUA 4747 · United, flown by SkyWest · 1h 32m · 66% on time, 5.4% cancelled
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58m layover in Chicago (ORD) · 45 min minimum on one ticket
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15:53 ORD → 19:02 IADUA 2437 · United · 2h 09m · 71% on time, 1.6% cancelled
Total trip 4h 39m, scheduled departure to arrival. Times are local. Both flew on 37 of the last 56 days.
Makes the connection63%The first flight arrived more than 13 minutes late on 37% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time42%First flight not cancelled (5.4% are) × connection made (63%) × second flight not cancelled (1.6% are) and within 15 minutes (71%).
Total trip4h 39mDAY 14:23 to IAD 19:02, 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.