Flights Las Vegas → Chicago
LAS → MDW
How long is the flight from Las Vegas to Chicago?
The flight from Las Vegas (LAS) to Chicago (MDW) 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 Las Vegas to Chicago operates with a Boeing 737-800 aircraft and has an on-time performance rate of 65%. With an average delay of 16 minutes, the route sees approximately 528 flights annually. The destination airport serves nearly 19,916,643 passengers per year, highlighting its significant traffic volume.
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) → Chicago (MDW) route is operated by Southwest Airlines. Across 1466 flights monitored in recent months, 63% arrived on time (within 15 min of schedule), with an average delay of 19 minutes. The cancellation rate is 1.71%. FlightGuard's average computed risk is 25.1/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Chicago the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Las Vegas the average ATFM delay is 5.5 minutes.
Heading to Chicago: what to expect in this direction
Flying from Las Vegas (LAS) to Chicago (MDW) heads north-east for about 2,442 km, a flight time of roughly 3h 28m.
Departures from Las Vegas on this leg cluster in the overnight window: about 43% of LAS-MDW flights take off then.
Air-traffic congestion: departing Las Vegas the average ATFM delay is 5.5 min (atfm); arriving into Chicago it is 5.5 min (atfm).
Across 1,466 tracked LAS-MDW flights, 63% left on time with an average delay of 19 min and a 1.7% 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 LAS-MDW
Airports
Frequently asked questions about LAS-MDW
The flight from Las Vegas (LAS) to Chicago (MDW) 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 Las Vegas (LAS) -> Chicago (MDW) route, on-time performance is 63% with an average delay of 19 minutes, based on 1466 tracked flights.
The cancellation rate on Las Vegas-Chicago is 1.71% across 1466 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 Chicago, 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.
