Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Washington → San Francisco via Houston: arrives on time 70%
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16:59 DCA → 19:27 IAHUA 1785 · United · 3h 28m · 66% on time, 0.7% cancelled
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2h 32m layover in Houston (IAH) · 45 min minimum on one ticket
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21:59 IAH → 00:05 SFO +1 dayUA 1609 · United · 4h 06m · 80% on time, 1.2% cancelled
Total trip 10h 06m, scheduled departure to arrival (San Francisco is 3 h behind Washington). Times are local. Both flew on 48 of the last 56 days.
Makes the connection89%The first flight arrived more than 107 minutes late on 11% of the days it flew: too late for the 45-minute minimum connection on a 2h 32m layover.
Arrives on time70%First flight not cancelled (0.7% are) × connection made (89%) × second flight not cancelled (1.2% are) and within 15 minutes (80%).
Total trip10h 06mDCA 16:59 to SFO 00:05, 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.