Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Raleigh/Durham → Washington via Chicago: arrives on time 26%
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17:12 RDU → 18:42 ORDUA 630 · United · 2h 30m · 45% on time, 3.2% cancelled
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1h 03m layover in Chicago (ORD) · 45 min minimum on one ticket
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19:45 ORD → 22:54 DCAUA 2160 · United · 2h 09m · 56% on time, 5.0% cancelled
Total trip 5h 42m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.
Makes the connection49%The first flight arrived more than 18 minutes late on 51% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time26%First flight not cancelled (3.2% are) × connection made (49%) × second flight not cancelled (5.0% are) and within 15 minutes (56%).
Total trip5h 42mRDU 17:12 to DCA 22:54, 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.