Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Dulles via Dallas-Fort Worth: arrives on time 64%
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08:45 ORD → 11:29 DFWUA 528 · United · 2h 44m · 79% on time, 0.0% cancelled
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56m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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12:25 DFW → 16:31 IADUA 358 · United · 3h 06m · 86% on time, 0.0% cancelled
Total trip 6h 46m, scheduled departure to arrival (Dulles is 1 h ahead of Chicago). Times are local. Both flew on 56 of the last 56 days.
Makes the connection75%The first flight arrived more than 11 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time64%First flight not cancelled (0.0% are) × connection made (75%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip6h 46mORD 08:45 to IAD 16:31, 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.