Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Ontario → Dulles via San Francisco: arrives on time 76%
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06:00 ONT → 07:25 SFOUA 2363 · United · 1h 25m · 91% on time, 1.0% cancelled
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3h 25m layover in San Francisco (SFO) · 45 min minimum on one ticket
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10:50 SFO → 19:11 IADUA 336 · United · 5h 21m · 78% on time, 0.5% cancelled
Total trip 10h 11m, scheduled departure to arrival (Dulles is 3 h ahead of Ontario). Times are local. Both flew on 56 of the last 56 days.
Makes the connection98%The first flight arrived more than 160 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 25m layover.
Arrives on time76%First flight not cancelled (1.0% are) × connection made (98%) × second flight not cancelled (0.5% are) and within 15 minutes (78%).
Total trip10h 11mONT 06:00 to IAD 19:11, 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.