Airlines at Harry Reid International Airport (LAS)

Las Vegas, Nevada KLAS #8 US airport by passengers

Airlines operating at LAS, ranked by number of departures.

On-time performance at LAS

Based on 42,604 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.

32.7%Departures late

26.0%Arrivals late

0.82%Cancelled

21.0 minAverage departure delay

On-time performance by airline at LAS
Airline	Departures	Late	Cancelled
Southwest Airlines	22,426	41.0%	0.50%
Delta Air Lines	3,839	19.3%	1.07%
Frontier Airlines	3,819	29.7%	1.78%
American Airlines	3,658	26.3%	1.61%
United Airlines	3,652	22.4%	0.60%
Alaska Airlines	1,856	26.3%	0.75%
Allegiant Air	1,801	15.7%	0.11%
JetBlue Airways	978	22.9%	2.15%
SkyWest Airlines	558	15.4%	0.36%

Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.

Airline presence

Southwest Airlines is the largest carrier. Spirit, Frontier, Delta, United, American and Allegiant also fly many routes, and Terminal 3 hosts most international flights.