Louis Armstrong New Orleans International Airport
Louis Armstrong New Orleans International Airport (KMSY/MSY) is a large international airport located in New Orleans, LA. It features 3 runways with the longest being 10,104 feet. SkyMeter has observed roughly 85 arrivals and 86 departures per day on average over the last 7 days, served by 24 carriers across 52 routes. The most active carrier is Southwest Airlines Co. (SAN Antonio (SWA). The busiest route is to Hartsfield Jackson Atlanta International Airport (KATL). On-time performance averages 16% with an average delay of 47 minutes against scheduled times. At the busiest hour of an average day, we calculated that a plane takes off or lands roughly every 180 seconds.
Safety incidents
Last 7 days · 1 total
Current weather
Latest METAR observation
Runways
3 installed
Delays by hour
Avg minutes · local time · last 30 days
Top carriers
Share of flights
Top destinations
By flight count
Carriers
Show 27 more carriers →
EJA
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| TWR | 119.500 | 24 |
| TWR | 254.300 | 24 |
| GND | 121.900 | 24 |
| GND | 273.525 | 24 |
| CLR | 120.925 | 24 |
| ATIS | 127.550 | 24 |
| APCH | 123.850 | 24 |
| APCH | 125.500 | 24 |
| APCH | 133.150 | 24 |
| APCH | 256.900 | 24 |
| APCH | 269.200 | 24 |
| APCH | 290.300 | 24 |
| APCH | 350.350 | 24 |
| UNICOM | 122.950 | — |
| LCL/P | 119.500 | 24 |
| CD/P | 120.925 | 24 |
| OTHER | 120.925 | 24 |
| EMERG | 121.500 | 24 |
| CLASS B | 123.850 | 24 |
| AWDAD ST | 125.500 | 24 |
| CLASS B | 125.500 | 24 |
| OLEDD ST | 125.500 | 24 |
| OTHER | 125.500 | 24 |
| CLASS B | 133.150 | 24 |
| MNSTR ST | 133.150 | 24 |
| OTHER | 133.150 | 24 |
| EMERG | 243.000 | 24 |
| LCL/P | 254.300 | 24 |
| CLASS B | 256.900 | 24 |
| CLASS B | 290.300 | 24 |
| MNSTR ST | 290.300 | 24 |
| OTHER | 290.300 | 24 |
| AWDAD ST | 350.350 | 24 |
| CLASS B | 350.350 | 24 |
| OLEDD ST | 350.350 | 24 |
| OTHER | 350.350 | 24 |
Airport operations
- ARTCC:
- ZHU
- Elevation:
- 3 ft
- Mag var:
- 1° W
- Fuel:
- 100LL
Destination network
Great-circle routes from KMSY · last 7d
Hourly traffic
Avg movements per hour · local time · last 30 days
Top routes
Click any segment for full inspection
| Route | Operator | Flights | Avg enroute |
|---|---|---|---|
MSYATL Atlanta, US |
DAL
Delta AIR Lines |
64 | 1h 18m |
MSYHOU Houston, US |
SWA
Southwest Airlines Co. (SAN Antonio |
48 | 0h 51m |
MSYIAH Houston, US |
UAL
United Airlines |
45 | 0h 51m |
MSYDFW Dallas-Fort Worth, US |
AAL
American Airlines |
40 | 1h 20m |
MSYDAL Dallas, US |
SWA
Southwest Airlines Co. (SAN Antonio |
40 | 1h 12m |
MSYBNA Nashville, US |
SWA
Southwest Airlines Co. (SAN Antonio |
32 | 1h 14m |
MSYAUS Austin, US |
SWA
Southwest Airlines Co. (SAN Antonio |
32 | 1h 15m |
MSYCLT Charlotte, US |
AAL
American Airlines |
25 | 1h 39m |
MSYMIA Miami, US |
AAL
American Airlines |
24 | 1h 40m |
MSYMCO Orlando, US |
SWA
Southwest Airlines Co. (SAN Antonio |
22 | 1h 34m |
MSYLAS Las Vegas, US |
SWA
Southwest Airlines Co. (SAN Antonio |
20 | 3h 25m |
MSYORD Chicago, US |
UAL
United Airlines |
19 | 2h 12m |
MSYBWI Baltimore, US |
SWA
Southwest Airlines Co. (SAN Antonio |
18 | 2h 18m |
MSYPHL Philadelphia, US |
AAL
American Airlines |
17 | 2h 26m |
MSYLAX Los Angeles, US |
DAL
Delta AIR Lines |
16 | 3h 43m |
MSYJFK New York, US |
DAL
Delta AIR Lines |
16 | 3h 6m |
MSYMDW Chicago, US |
SWA
Southwest Airlines Co. (SAN Antonio |
16 | 1h 53m |
MSYORD Chicago, US |
ENY
Envoy AIR |
16 | 2h 4m |
MSYEWR Newark, US |
UAL
United Airlines |
15 | 2h 49m |
MSYDEN Denver, US |
UAL
United Airlines |
15 | 2h 44m |