Flights Chicago → Las Vegas
MDW → LAS
How long is the flight from Chicago to Las Vegas?
The flight from Chicago (MDW) to Las Vegas (LAS) takes about 3h 28m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route overview
The flight route from Chicago to Las Vegas operates with a Boeing 737-800 aircraft and has an on-time performance rate of 66%, with an average delay of 18.6 minutes per flight. Over the course of a year, this route sees approximately 527 flights, serving one of the world's busiest airports in terms of passenger traffic, which handles nearly 52.7 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 Chicago (MDW) → Las Vegas (LAS) route is operated by Southwest Airlines. Across 1389 flights monitored in recent months, 65% arrived on time (within 15 min of schedule), with an average delay of 20 minutes. The cancellation rate is 2.23%. FlightGuard's average computed risk is 21.5/100 (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 (MDW) to Las Vegas (LAS) heads west for about 2,442 km, a flight time of roughly 3h 28m.
Departures from Chicago on this leg cluster in the overnight window: about 41% of MDW-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 1,389 tracked MDW-LAS flights, 65% left on time with an average delay of 20 min and a 2.2% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 75% | 5 min | 0.3% |
Airlines operating MDW-LAS
Airports
Frequently asked questions about MDW-LAS
The flight from Chicago (MDW) to Las Vegas (LAS) takes about 3h 28m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
On the Chicago (MDW) -> Las Vegas (LAS) route, on-time performance is 65% with an average delay of 20 minutes, based on 1389 tracked flights.
The cancellation rate on Chicago-Las Vegas is 2.23% across 1389 monitored flights.
The route is operated by 1 airline: Southwest 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.
