UA1323UnitedIn the air, 15 min late
Left IAD at 09:15, 15 min after its 09:00 slot.
- Landing
- 10:42LAS board estimate · sched 11:04
live
Direct flights from Washington (IAD) to Las Vegas (LAS): 14 nonstop departures observed each week across 2 airlines. 67% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 11 minutes late. No cancellations were recorded across the 6 tracked flights. The nonstop covers 3,316 km, an estimated 4 hours 45 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Las Vegas. Updated 24 October 2026 at 14:38 UTC.
Today, IAD → LAS
Sat 24 Oct · local times- 06:00 F94277Frontier Left 06:01 LAS est. 07:30In the air · sched 08:04
- 09:00 UA1323United Left 09:15 +15 LAS est. 10:42In the air · sched 11:04
- 12:55 UA2156United On schedule LAS est. 14:38sched 14:54
- · UA2209United On schedule LAS 20:08scheduled
Checked IAD board 10:18 · LAS board 07:38
IAD
Washington
smooth · +12
LAS
Las Vegas
smooth · +0
3,316 km · ~4h 45m est.
Runs mixed · 2 airlines · 14x weekly · nonstop
67% on time
of the last 6 operated IAD → LAS flights arrived within 15 minutes
Median arrival delay is +11 min. 0 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+11 minacross the last 6 operated legs
Flight time~4h 45mestimated from route distance
Weekly departures14x2 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Frontier AirlinesUnited Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at LAS: 40% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Washington to Las Vegas route actually runs
Pro Flight Search records official board updates for nonstop IAD to LAS flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Washington (IAD) to Las Vegas (LAS) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/IAD-LAS
IAD to LAS questions
Is IAD–LAS running on time right now?
Smooth skies ahead. The departure side at IAD is the weaker end, route health score 92/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on IAD–LAS?
Operators schedule morning departures around 06:00 and evening departures around 18:00 from IAD. Earlier flights typically land before destination-airport delays accumulate later in the day; check the LAS delay card to confirm conditions when you'd arrive.
How long is the flight from IAD to LAS?
Great-circle distance is 3,316 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 264–314 min gate-to-gate on this route.
How often does IAD–LAS fly?
2 carriers operate this route, around 28 flights a week between them. Compare carrier days and times in the airline list above.
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