Washington Dulles (IAD) to Las Vegas (LAS)

Distance, flight time and the air traffic controllers who guide you.

Quick answer

Washington Dulles (IAD) to Las Vegas (LAS) is 2,061 miles in a straight line, about 4h 37m gate to gate. Your flight is handed between 11 air traffic control facilities along the way.

2,061miles
1,791nautical miles
3,316kilometers
~4h 37mestimated flight time
−3 htime change on arrival
Westinitial heading

Who handles your flight

Every airliner is passed from one air traffic control facility to the next. On the most direct path, these are the teams that guide you, in order. Weather and traffic can send a flight through other centers, so your actual flight may differ a little.

  1. IADTowerWashington Dulles Tower (IAD)Clears you for takeoffThank them →
  2. PCTTRACONPotomac TRACON (PCT)Guides the climb outThank them →
  3. ZDCCenterWashington ARTCC (ZDC)Takes over at cruising altitudeThank them →
  4. ZOBCenterCleveland ARTCC (ZOB)Keeps you separated en routeThank them →
  5. ZIDCenterIndianapolis ARTCC (ZID)Keeps you separated en routeThank them →
  6. ZAUCenterChicago ARTCC (ZAU)Keeps you separated en routeThank them →
  7. ZKCCenterKansas City ARTCC (ZKC)Keeps you separated en routeThank them →
  8. ZDVCenterDenver ARTCC (ZDV)Keeps you separated en routeThank them →
  9. ZLACenterLos Angeles ARTCC (ZLA)Starts your descentThank them →
  10. L30TRACONLas Vegas TRACON (L30)Lines you up for the approachThank them →
  11. LASTowerLas Vegas Harry Reid Tower (LAS)Clears you to landThank them →

Flying the other way

Las Vegas (LAS) to Washington Dulles (IAD)

LAS → L30 → ZLA → ZDV → ZKC → ZAU → ZID → ZOB → ZDC → PCT → IAD

About the airports

Washington Dulles International Airport

Washington, DC

Codes: IAD · KIAD

Time zone: Eastern

Control tower: Washington Dulles Tower (IAD)

Thank the tower →

Harry Reid International Airport

Las Vegas, NV

Codes: LAS · KLAS

Time zone: Pacific

Control tower: Las Vegas Harry Reid Tower (LAS)

Thank the tower →

More routes

All flight routes →

How we figure this out

Distance is the great-circle distance between the two airports, the shortest path over the curved Earth. Flight time assumes an average airliner speed of about 500 mph plus about 30 minutes for taxi, takeoff and landing. The list of facilities follows the same path, using each airport's tower and approach control and the FAA's en route center boundaries.

Say thanks to the controllers who got you there. It's free, takes 30 seconds, and every post is checked before it goes up.

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Common questions

How long is the flight from Washington Dulles (IAD) to Las Vegas (LAS)?

About 4h 37m gate to gate for the 2,061-mile trip. Flying west, you often fight a headwind, so it can take a little longer.

How far is Washington Dulles (IAD) from Las Vegas (LAS)?

2,061 miles (1,791 nautical miles, 3,316 km) in a straight line. The path your flight actually takes is usually a little longer.

Which air traffic controllers handle a flight from Washington Dulles (IAD) to Las Vegas (LAS)?

Usually 11 facilities: Washington Dulles Tower (IAD), Potomac TRACON (PCT), Washington ARTCC (ZDC), Cleveland ARTCC (ZOB), Indianapolis ARTCC (ZID), Chicago ARTCC (ZAU), Kansas City ARTCC (ZKC), Denver ARTCC (ZDV), Los Angeles ARTCC (ZLA), Las Vegas TRACON (L30) and Las Vegas Harry Reid Tower (LAS). You can thank each one on its own wall at Thank ATC.

Is there a time change between Washington Dulles (IAD) and Las Vegas (LAS)?

Yes. Las Vegas (LAS) is 3 hours behind Washington Dulles (IAD).

Updated October 2026

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