Flights Las Vegas → Washington
LAS → IAD
Route overview
The flight route from Las Vegas to Washington has an on-time performance rate of 88%, with an average delay of just 3.1 minutes per flight. Over the course of a year, this route sees approximately 236 flights using a mix of Airbus A320, Boeing 757-200, and Boeing 737-900 aircraft, serving a destination airport that handles nearly 21.4 million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Las Vegas (LAS) → Washington (IAD) route is operated by United Airlines. Across 311 flights monitored in recent months, 88% arrived on time (within 15 min of schedule), with an average delay of 4 minutes. The cancellation rate is 3.86%. FlightGuard's average computed risk is 16.9/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Washington the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Las Vegas the average ATFM delay is 2.0 minutes.
Heading to Washington: what to expect in this direction
Flying from Las Vegas (LAS) to Washington (IAD) heads east for about 3,316 km, a flight time of roughly 4h 34m.
Departures from Las Vegas on this leg cluster in the morning window: about 39% of LAS-IAD flights take off then.
Air-traffic congestion: departing Las Vegas the average ATFM delay is 2.0 min (atfm); arriving into Washington it is 2.0 min (atfm).
Across 311 tracked LAS-IAD flights, 88% left on time with an average delay of 4 min and a 3.9% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
Airlines operating LAS-IAD
Airports
Frequently asked questions about LAS-IAD
On the Las Vegas (LAS) -> Washington (IAD) route, on-time performance is 88% with an average delay of 4 minutes, based on 311 tracked flights.
The cancellation rate on Las Vegas-Washington is 3.86% across 311 monitored flights.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Washington, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
