WashingtonLas VegasFlight TimeIAD–LAS
Washington (Washington Dulles International Airport) to Las Vegas (Harry Reid International Airport).
The flight from Washington (IAD) to Las Vegas (LAS) takes 4h 39m on average, covering about 2,309 miles. Across 10 flights we tracked, the fastest was 4h 21m and the slowest 4h 56m, with United Airlines flying it most often.
Plan this routeAt a glance
| Avg flight time | Distance | Fastest tracked | Airlines |
|---|---|---|---|
| 4h 39m | 2,309 mi | 4h 21m | 1 |
Airlines on this route
Captured airlines for IAD to LAS
Our current provider sample includes 3-4/day from IAD to LAS across 2 captured airlines.
- First departure
- 09:12
- Last departure
- 22:23
- Cadence
- 6 departures/day
- Captured departures/day
- 6
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 2-3/day | Boeing 737 · Seat map | 13:0520:1022:23 |
Aircraft we tracked
Methodology: figures are aggregated from 10 real flights on this route tracked between 2026-06-04 and 2026-06-18, sourced from live flight data. Updated daily as new flights are observed.
Route FAQ
How long is the flight from IAD to LAS?
The IAD to LAS flight takes 4h 39m on average based on 10 tracked flights.
How far is IAD from LAS?
IAD to LAS is about 2,309 miles by air.
Which airlines fly from IAD to LAS?
United Airlines flies the IAD to LAS route in our tracked route data.
What aircraft fly from IAD to LAS?
Aircraft observed on IAD to LAS include Boeing 737-800, Boeing 737-900, Boeing 737 MAX 9.