Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Dulles via Las Vegas: arrives on time 86%
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06:00 SFO → 07:46 LASUA 582 · United · 1h 46m · 98% on time, 0.0% cancelled
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1h 02m layover in Las Vegas (LAS) · 45 min minimum on one ticket
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08:48 LAS → 16:24 IADUA 1140 · United · 4h 36m · 87% on time, 0.0% cancelled
Total trip 7h 24m, scheduled departure to arrival (Dulles is 3 h ahead of San Francisco). Times are local. Both flew on 38 of the last 56 days.
Makes the connection98%The first flight arrived more than 17 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time86%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip7h 24mSFO 06:00 to IAD 16:24, 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.