Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → San Francisco via Los Angeles: arrives on time 48%
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17:48 IAD → 20:21 LAXUA 2276 · United · 5h 33m · 71% on time, 1.5% cancelled
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1h 13m layover in Los Angeles (LAX) · 45 min minimum on one ticket
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21:34 LAX → 23:02 SFOUA 2056 · United · 1h 28m · 61% on time, 0.4% cancelled
Total trip 8h 14m, scheduled departure to arrival (San Francisco is 3 h behind Dulles). Times are local. Both flew on 44 of the last 56 days.
Makes the connection80%The first flight arrived more than 28 minutes late on 20% of the days it flew: too late for the 45-minute minimum connection on a 1h 13m layover.
Arrives on time48%First flight not cancelled (1.5% are) × connection made (80%) × second flight not cancelled (0.4% are) and within 15 minutes (61%).
Total trip8h 14mIAD 17:48 to SFO 23:02, 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.