Flights Chicago → Las Vegas
ORD → LAS
How long is the flight from Chicago to Las Vegas?
The flight from Chicago (ORD) to Las Vegas (LAS) takes 3h 25m on average. That is the median time recorded across 4 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Chicago to Las Vegas operates with a mix of aircraft including the McDonnell Douglas MD-83, Boeing 737 series, Airbus A320 family, and Boeing 757 models. With 1,387 total flights recorded, the route has a punctuality rate of 75%, and when delays occur, they average around 17.6 minutes. The destination airport sees over 52 million passengers annually, highlighting its significance as a major travel hub.
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 Chicago (ORD) → Las Vegas (LAS) route is operated by American Airlines, Spirit Airlines, United Airlines. Across 3206 flights monitored in recent months, 73% arrived on time (within 15 min of schedule), with an average delay of 20 minutes. The cancellation rate is 2.25%. FlightGuard's average computed risk is 25.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Las Vegas the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Chicago the average ATFM delay is 5.5 minutes.
Heading to Las Vegas: what to expect in this direction
Flying from Chicago (ORD) to Las Vegas (LAS) heads west for about 2,432 km, a flight time of roughly 3h 25m.
Departures from Chicago on this leg cluster in the overnight window: about 38% of ORD-LAS flights take off then.
Air-traffic congestion: departing Chicago the average ATFM delay is 5.5 min (atfm); arriving into Las Vegas it is 5.5 min (atfm).
Across 3,206 tracked ORD-LAS flights, 73% left on time with an average delay of 20 min and a 2.3% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 83% | 5 min | 1.3% |
| American Airlines (AA) | 79% | 6 min | 1.1% |
| Spirit Airlines (NK) | 66% | 19 min | 3.4% |
Airlines operating ORD-LAS
Airports
Frequently asked questions about ORD-LAS
The flight from Chicago (ORD) to Las Vegas (LAS) takes 3h 25m on average. That is the median time recorded across 4 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Chicago (ORD) -> Las Vegas (LAS) route, on-time performance is 73% with an average delay of 20 minutes, based on 3206 tracked flights.
The cancellation rate on Chicago-Las Vegas is 2.25% across 3206 monitored flights.
The route is operated by 3 airlines: American Airlines, Spirit Airlines, United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Las Vegas, 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.
