Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Santa Ana via Denver: arrives on time 43%
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17:41 IAD → 19:45 DENUA 599 · United · 4h 04m · 74% on time, 1.2% cancelled
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47m layover in Denver (DEN) · 45 min minimum on one ticket
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20:32 DEN → 22:01 SNAUA 725 · United · 2h 29m · 80% on time, 1.6% cancelled
Total trip 7h 20m, scheduled departure to arrival (Santa Ana is 3 h behind Dulles). Times are local. Both flew on 40 of the last 56 days.
Makes the connection55%The first flight arrived more than 2 minutes late on 45% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time43%First flight not cancelled (1.2% are) × connection made (55%) × second flight not cancelled (1.6% are) and within 15 minutes (80%).
Total trip7h 20mIAD 17:41 to SNA 22:01, 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.