IAD → LASWashington to Las Vegas

live

Direct flights from Washington (IAD) to Las Vegas (LAS): 14 nonstop departures observed each week across 2 airlines. The median arrival is 11 minutes late. No cancellations were recorded across the 4 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 14 September 2026 at 04:07 UTC.

IAD Washington busy · +27
LAS Las Vegas smooth · +1
3,316 km · ~4h 45m est.
dep bank 08:59–18:0014x weekly
Running clean · 2 airlines · 14x weekly · nonstop
82 / 100

route health from live IAD and LAS delay boards

Median arrival delay is +11 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+11 minacross the last 4 operated legs
Flight time~4h 45mestimated from route distance
Weekly departures14x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
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 days
Frontier AirlinesF9

Flights F94277 08:59 daily

United AirlinesUA

Flights UA1323 09:00 daily · UA2156 12:55 daily · UA2209 18:00 Mo We Th Fr Sa Su

History

operated legs · board outcomes
09-13F94277dep +15 → arr+6
09-13UA1323dep +4 → arr−18
09-13UA2156dep +38 → arr+16
09-13UA2209dep +46 → arr+11

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
IADWashington +27 min busy 🌤 scattered clouds · N 0 kt Full IAD delay board →
LASLas Vegas +1 min smooth 🌤 clear · SSW 5 kt Full LAS delay board →

Weather lens

Current conditions put the pressure at LAS: 39% 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 →

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
https://proflightsearch.com/search-flights/IAD-LAS
How we measure this →

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 82/100. 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 08:59 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 27 flights a week between them. Compare carrier days and times in the airline list above.