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IATA MSYICAO KMSY

Louis Armstrong New Orleans International Airport

New Orleans, Louisiana, United States

Louis Armstrong New Orleans International Airport is a large airport serving New Orleans, United States. Its IATA code is MSY and its ICAO code is KMSY. The airport lies at an elevation of 4 ft (1 m) above sea level. It has 2 runway(s); the longest is 11/29, 10,104 ft (3,080 m) long. Local time follows the America/Chicago time zone.

Key facts

IATA code
MSY
ICAO code
KMSY
Airport type
Large airport
Elevation
4 ft (1 m)
Coordinates
29.9934, -90.2647
Time zone
America/Chicago
Local time now
—
Scheduled service
Yes

Location

BTR — Baton Rouge Metropolitan AirportGPT — Gulfport Biloxi International AirportLFT — Lafayette Regional AirportPIB — Hattiesburg Laurel Regional AirportMOB — Mobile Regional AirportJAN — Jackson-Medgar Wiley Evers International AirportAEX — Alexandria International AirportLCH — Lake Charles Regional AirportBTRGPTLFTPIBMOBJANAEXLCHMSY
Natural Earth · 29.9934, -90.2647Open in OpenStreetMap ↗

Runways

RunwayLengthWidthSurfaceLighted
02/207,002 ft · 2,134 m150 ft · 46 mAsphaltYes
11/2910,104 ft · 3,080 m150 ft · 46 mPartially pavedYes

Nearest airports

Airports with scheduled service closest to Louis Armstrong New Orleans International Airport, by great-circle distance.

AirportCityDistance
BTR Baton Rouge Metropolitan AirportBaton Rouge, United States104 km · 65 mi
GPT Gulfport Biloxi International AirportGulfport, United States124 km · 77 mi
LFT Lafayette Regional AirportLafayette, United States167 km · 104 mi
PIB Hattiesburg Laurel Regional AirportMoselle, United States186 km · 116 mi
MOB Mobile Regional AirportMobile, United States209 km · 130 mi
JAN Jackson-Medgar Wiley Evers International AirportJackson, United States258 km · 160 mi
AEX Alexandria International AirportAlexandria, United States264 km · 164 mi
LCH Lake Charles Regional AirportLake Charles, United States285 km · 177 mi

Distances to major hubs

Great-circle distances from MSY. These are geographic distances, not a list of operated flights.

Radio frequencies

Not for navigation. Always use official, current aeronautical publications.

TypeDescriptionMHz
A/DNEW ORLEANS APP/DEP123.850
ATISATIS127.550
CLDCLNC DEL127.200
GNDGND121.900
TWRTWR119.500
UNICUNICOM122.950

External links

External links come from the source dataset and are not independently verified by FlyingWorld.

Frequently asked questions

What is the airport code of Louis Armstrong New Orleans International Airport?

The IATA code of Louis Armstrong New Orleans International Airport is MSY and its ICAO code is KMSY.

Where is Louis Armstrong New Orleans International Airport located?

Louis Armstrong New Orleans International Airport is in New Orleans, Louisiana, United States, at 29.9934, -90.2647.

What time zone is Louis Armstrong New Orleans International Airport in?

Louis Armstrong New Orleans International Airport uses the IANA time zone America/Chicago. Daylight saving time, where applicable, is applied automatically by the clock on this page.

How long is the longest runway at Louis Armstrong New Orleans International Airport?

The longest runway listed is 11/29, 10,104 ft (3,080 m) long.

What is the nearest airport to Louis Armstrong New Orleans International Airport?

The nearest airport with scheduled service in our directory is Baton Rouge Metropolitan Airport (BTR), about 104 km (65 mi) away.

Source: OurAirports (data updated: 9 November 2026). Not for navigation. Always use official, current aeronautical publications.