Airport code
MSY — Louis Armstrong New Orleans International Airport
MSY is the IATA code for Louis Armstrong New Orleans International Airport, an airport serving New Orleans, United States. Its ICAO code is KMSY, and it operates in the America/Chicago time zone (UTC-6). The airport sits at 29.9934, -90.2580 in the Northern Hemisphere, at an elevation of 4 ft (1 m).
Overview
About Louis Armstrong New Orleans International Airport
Louis Armstrong New Orleans International Airport is an international airport under Class B airspace in the City of Kenner, Jefferson Parish, Louisiana, United States. It is owned by the City of New Orleans and is 11 miles (18 km) west of downtown New Orleans. A small portion of Runway 11/29 is in unincorporated St. Charles Parish. Armstrong International is the primary commercial airport for the New Orleans metropolitan area and southeast Louisiana. Nonstop service to some sixty destinations is provided, including flights to Europe, Canada, Latin America and the Caribbean.
Reference data
Airport information
| IATA code | MSY |
|---|---|
| ICAO code | KMSY |
| Airport name | Louis Armstrong New Orleans International Airport |
| City | New Orleans |
| Country | United States |
| Time zone | America/Chicago (UTC-6) |
| Latitude | 29.9934 |
| Longitude | -90.2580 |
| Elevation | 4 ft (1 m) |
| Airport type | Large airport |
| Continent | North America |
| Runways | 2 |
| Longest runway | 10,104 ft (3,080 m) |
| Map | View on OpenStreetMap ↗ |
Reference data last updated 24 July 2026.
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Questions
Frequently asked questions
What is the IATA code for Louis Armstrong New Orleans International Airport?
The IATA code for Louis Armstrong New Orleans International Airport is MSY.
What is the ICAO code for Louis Armstrong New Orleans International Airport?
The ICAO code for Louis Armstrong New Orleans International Airport is KMSY.
Where is MSY airport located?
Louis Armstrong New Orleans International Airport (MSY) is located in New Orleans, United States.
What time zone is MSY in?
Louis Armstrong New Orleans International Airport operates in the America/Chicago time zone, which is UTC-6.
What is the nearest airport to MSY?
The nearest airport to Louis Armstrong New Orleans International Airport (MSY) is Baton Rouge Metropolitan Airport (BTR) in Baton Rouge, about 105 km away.
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