Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Las Vegas → Dulles via San Francisco: arrives on time 60%
-
19:52 LAS → 21:34 SFOUA 1267 · United · 1h 42m · 40% on time, 0.0% cancelled
-
1h 31m layover in San Francisco (SFO) · 45 min minimum on one ticket
-
23:05 SFO → 07:30 IAD +1 dayUA 2111 · United · 5h 25m · 87% on time, 0.0% cancelled
Total trip 8h 38m, scheduled departure to arrival (Dulles is 3 h ahead of Las Vegas). Times are local. Both flew on 19 of the last 56 days, too few to list among the best connections.
Makes the connection69%The first flight arrived more than 46 minutes late on 31% of the days it flew: too late for the 45-minute minimum connection on a 1h 31m layover.
Arrives on time60%First flight not cancelled (0.0% are) × connection made (69%) × second flight not cancelled (0.0% are) and within 15 minutes (87%).
Total trip8h 38mLAS 19:52 to IAD 07:30, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.