Airport
Louis Armstrong New Orleans International Airport
MSY · New Orleans, LA
- IATA Code
- MSY
- ICAO Code
- KMSY
- City
- New Orleans
- Country
- United States
- Website
- flymsy.com
Louis Armstrong New Orleans International Airport is a major airport serving New Orleans, LA. Its IATA code is MSY and its ICAO code is KMSY.
The airfield sits 4 feet above sea level.
Below you'll find official on-time statistics, current weather and delays, nearby aircraft and traveler reviews. Flown through MSY recently? Share your experience to help other travelers.
MSY by the numbers
IATA MSY · ICAO KMSY · 4 ft elevation · Map
Loading live weather, forecasts, delays and nearby aircraft…
Official departure punctuality
Ranks #269 of 358 U.S. airports for on-time departures
- On-time departures
- 76.7%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 78 min
- Flights arriving 15+ minutes late
- Flights tracked
- 48,856
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 46%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 20%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Busiest routes from MSY
| Route | Flights | On time |
|---|---|---|
| Atlanta (ATL) | 4,004 | 82% |
| Houston (IAH) | 2,910 | 83% |
| Dallas-Fort Worth (DFW) | 2,816 | 74% |
| Chicago (ORD) | 2,424 | 78% |
| Dallas (DAL) | 2,279 | 77% |
| Denver (DEN) | 2,279 | 80% |
| Houston (HOU) | 2,276 | 76% |
| Orlando (MCO) | 2,225 | 78% |
| Austin (AUS) | 1,976 | 77% |
| Washington (DCA) | 1,949 | 70% |
Airlines departing MSY
| Airline | Flights | On-time departures |
|---|---|---|
| Southwest Airlines | 18,327 | 72% |
| American Airlines | 7,594 | 76% |
| Delta Air Lines | 7,529 | 83% |
| United Airlines | 6,748 | 86% |
| NK | 2,250 | 77% |
| JetBlue Airways | 1,443 | 69% |
| Frontier Airlines | 1,117 | 68% |
| OH | 895 | 73% |
| Envoy Air | 783 | 83% |
| Republic Airways | 770 | 81% |
Runways
| Runway | Length | Surface |
|---|---|---|
| 11/29 | 10,104 ft | PEM, lighted |
| 02/20 | 7,002 ft | ASP, lighted |
Listen to the tower
Air traffic control frequencies, for scanners and airband radios.
- Recorded airport information (ATIS) 127.550 MHz
- Tower 119.500 MHz
- Ground 121.900 MHz
- Clearance delivery 127.200 MHz
Runways and frequencies: OurAirports (public domain). Not for navigation.
Tags: MSY, KMSY, New Orleans airport, Louis Armstrong New Orleans International Airport
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