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
| Airline | Departures | Late |
|---|---|---|
| Southwest Airlines | 22,426 | 41.0% |
| Delta Air Lines | 3,839 | 19.3% |
| Frontier Airlines | 3,819 | 29.7% |
| American Airlines | 3,658 | 26.3% |
| United Airlines | 3,652 | 22.4% |
| Alaska Airlines | 1,856 | 26.3% |
| Allegiant Air | 1,801 | 15.7% |
| JetBlue Airways | 978 | 22.9% |
| SkyWest Airlines | 558 | 15.4% |
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.