Airlines at Louis Armstrong New Orleans International Airport (MSY)
New Orleans, Louisiana KMSY #39 US airport by passengers
Airlines operating at MSY, ranked by number of departures.
On-time performance at MSY
Based on 11,704 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.
30.3%Departures late
28.8%Arrivals late
1.41%Cancelled
23.7 minAverage departure delay
| Airline | Departures | Late |
|---|---|---|
| Southwest Airlines | 4,625 | 38.4% |
| American Airlines | 1,940 | 30.5% |
| Delta Air Lines | 1,868 | 21.3% |
| United Airlines | 1,573 | 19.0% |
| JetBlue Airways | 387 | 28.2% |
| Frontier Airlines | 308 | 39.0% |
| PSA Airlines | 271 | 28.4% |
| Alaska Airlines | 195 | 31.8% |
| Envoy Air | 192 | 20.3% |
| Republic Airways | 176 | 17.0% |
| SkyWest Airlines | 155 | 23.9% |
Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.
Airline presence
Southwest Airlines carries the most passengers. The airport's airline list also shows Air Canada, Alaska, Allegiant, American, Breeze, British Airways, Delta, Frontier, JetBlue, Sun Country and United.