Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → Dulles via Denver: arrives on time 86%
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06:35 SAN → 10:08 DENUA 2368 · United · 2h 33m · 96% on time, 1.8% cancelled
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3h 45m layover in Denver (DEN) · 45 min minimum on one ticket
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13:53 DEN → 19:22 IADUA 347 · United · 3h 29m · 87% on time, 0.3% cancelled
Total trip 9h 47m, scheduled departure to arrival (Dulles is 3 h ahead of San Diego). Times are local. Both flew on 53 of the last 56 days.
Makes the connection100%The first flight arrived more than 180 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 45m layover.
Arrives on time86%First flight not cancelled (1.8% are) × connection made (100%) × second flight not cancelled (0.3% are) and within 15 minutes (87%).
Total trip9h 47mSAN 06:35 to IAD 19:22, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.