MSY · New Orleans, United States
Louis Armstrong New Orleans International Airport.
--:--:-- · CDT (UTC-05:00) · 29.9934° N, 90.2647° W

Louis Armstrong New Orleans International Airport
Airport in Louisiana, United States
Verification trail
Source-backed facts for MSY
This section separates stable airport identifiers from live operating data. Codes, coordinates, timezone, elevation, source identifiers, and accepted reference links are retained here; live arrivals, departures, gates, delays, NOTAMs, and airline schedule changes must still be checked with the airport or carrier.
Airport catalog
OurAirports ID 3711; ident KMSY; scheduled service listed.
Cached airports.csv snapshot: 2026-04-25; runways.csv snapshot: 2026-05-21.
Official airport source
flymsy.com
Used as the preferred live-reference handoff for terminals, gates, alerts, and airport notices.
Open sourceReference summary
Louis Armstrong New Orleans International Airport
Airport-shaped reference summary from en.wikipedia.org; summary snapshot 2026-05-20.
Open sourceManual / derived signals
20 source-backed signals
Merged from OurAirports cached airports.csv, OurAirports cached runways.csv, Wikidata airport entity snapshot, airport-shaped Wikipedia summary snapshot; facts generated 2026-05-21.
IATA / ICAO
MSY / KMSY
OurAirports ident
KMSY
GPS / local code
KMSY / MSY
ISO region
US-LA
Scheduled service
Listed in source snapshot
Role
international scheduled-service gateway
Official host
flymsy.com
Reference host
en.wikipedia.org
Wikidata entity
Q1461076
Snapshot generated
2026-05-21
Airport lookup keys
Stable codes
Regional keys
Nearby airport codes
Route reference codes
Accepted citation URLs
Last updated May 21, 2026. Stable airport identifiers and timezone facts are content-reviewed; clocks render live in the browser, while weather and time-difference notes are page-snapshot aids rather than permanent airport records.
Live values rendered at Nov 6, 9:38 PM UTC.
What you need to know now
Local airport time
--:--:--CDT · UTC-05:00
Time zone
CDT
America/Chicago · UTC-05:00
Airfield conditions
Live airport weather is temporarily unavailable.
Surface access
19 km
Approximate distance to central New Orleans.
Airport Snapshot
Country capital
Washington, D.C.
Languages
English
Currency
USD ($)
Country area
9,525,067 km²
Passenger volume
Source note unavailable
Terminals
Not clearly stated
Runways
2 runways
Longest runway
10,104 ft / 3,080 m
Runway surface
asphalt, PEM
Opened / operator
1944 · The City of New Orleans
Owner / entity
New Orleans
Hub airlines
Mixed or not clearly stated
Airport role
international scheduled-service gateway
Scheduled service
Listed
Fact coverage
20 source-backed signals
Louis Armstrong New Orleans International Airport is a international scheduled-service gateway for New Orleans, United States. New Orleans's built-up core sits roughly 19 km from the terminal area. Operations run on America/Chicago (UTC-05:00, CDT). Live weather is temporarily unavailable. With 3 other indexable airports in its surrounding network, it works well as a reference point for regional flight planning and timezone checks.
Louis Armstrong New Orleans International Airport (MSY / KMSY) is at 29.9934° N, 90.2647° W, elevation 4 ft (1 m), serving New Orleans, United States.
The accepted reference summary is used as supporting context for the airport identity and operating notes; the timed facts here still come from the airport catalog, timezone database, country snapshot, and linked source trail.
New Orleans is in United States (capital Washington, D.C.); regulated by Federal Aviation Administration (FAA); on America/Chicago (CDT, UTC-05:00); working languages: English; currency: USD ($).
Distance from central New Orleans: 19 km.
Airport context brief
A compact traveler-facing brief from the airport catalog, country snapshot, route geometry, city anchors, peer airports, and source trail for MSY.
Name and identity cues
Primary airport name
Louis Armstrong New Orleans International Airport (MSY / KMSY)
Louis Armstrong New Orleans International Airport · Airport in Louisiana, United States
Source identifiers
KMSY · KMSY · MSY · US-LA
flymsy.com · en.wikipedia.org · scheduled service yes
Source-specific airport notes
Regional role cue
Armstrong International is the primary commercial airport for the New Orleans metropolitan area and southeast Louisiana.
Accepted from the airport reference trail as a role-specific cue for MSY; not treated as a live service guarantee.
Closest mapped city anchors
1. Kenner
kenner · 2.2 km from MSY
United States · America/Chicago · +0h · population 67,091 · city coordinates 29.9941, -90.2417
2. Metairie Terrace
metairie-terrace · 9.8 km from MSY
United States · America/Chicago · +0h · population 142,489 · city coordinates 29.9785, -90.1640
3. Metairie
metairie · 11 km from MSY
United States · America/Chicago · +0h · population 138,481 · city coordinates 29.9841, -90.1529
4. New Orleans
new-orleans · 19 km from MSY
United States · America/Chicago · +0h · population 362,701 · city coordinates 29.9547, -90.0751
5. Marrero
marrero · 19 km from MSY
United States · America/Chicago · +0h · population 33,141 · city coordinates 29.8994, -90.1004
6. Harvey
harvey · 21 km from MSY
United States · America/Chicago · +0h · population 20,348 · city coordinates 29.9035, -90.0773
Airport alternatives in the retained graph
1. PNS KPNS
Pensacola International Airport · Pensacola
300 km from MSY · America/Chicago · +0h · elevation 121 ft (37 m) · airport coordinates 30.4727, -87.1866
2. HOU KHOU
William P. Hobby Airport · Houston
485 km from MSY · America/Chicago · +0h · elevation 46 ft (14 m) · airport coordinates 29.6453, -95.2768
3. IAH KIAH
George Bush Intercontinental Airport · Houston
489 km from MSY · America/Chicago · +0h · elevation 97 ft (30 m) · airport coordinates 29.9844, -95.3414
Route-time reference set
1. MSY-PNS
Pensacola · 300 km · 1h 13m
America/Chicago · +0h from MSY; reference route only, not a live schedule.
2. MSY-HOU
Houston · 485 km · 1h 27m
America/Chicago · +0h from MSY; reference route only, not a live schedule.
3. MSY-IAH
Houston · 489 km · 1h 27m
America/Chicago · +0h from MSY; reference route only, not a live schedule.
Runway source evidence
Published runway count
2 runways
Longest runway 10,104 ft / 3,080 m. 2 lighted runways in the runway snapshot.
Runway surface mix
asphalt, PEM
Surface labels are normalized from the OurAirports runway rows for MSY.
Runway identifiers
02/20 · 11/29
Identifier pairs are retained as airport-specific runway cues, not live operational availability claims.
Same-country airport context
1. PNS KPNS
Pensacola International Airport · Pensacola · 300 km from MSY
large airport · America/Chicago · united-states · 121 ft (37 m) · 30.4727, -87.1866
2. HOU KHOU
William P. Hobby Airport · Houston · 485 km from MSY
large airport · America/Chicago · united-states · 46 ft (14 m) · 29.6453, -95.2768
3. IAH KIAH
George Bush Intercontinental Airport · Houston · 489 km from MSY
large airport · America/Chicago · united-states · 97 ft (30 m) · 29.9844, -95.3414
4. BHM KBHM
Birmingham-Shuttlesworth International Airport · Birmingham · 517 km from MSY
large airport · America/Chicago · united-states · 650 ft (198 m) · 33.5629, -86.7507
5. MEM KMEM
Memphis International Airport · Memphis · 562 km from MSY
large airport · America/Chicago · united-states · 341 ft (104 m) · 35.0438, -89.9763
6. ATL KATL
Hartsfield Jackson Atlanta International Airport · Atlanta · 684 km from MSY
large airport · America/New_York · united-states · 1,026 ft (313 m) · 33.6367, -84.4281
Accepted operational notes
Source note 1
A small portion of Runway 11/29 is in unincorporated St.
Retained as a source-backed local role note for MSY.
Country and authority
MSY sits in United States (United States of America), whose capital is Washington, D.C.. Federal Aviation Administration (FAA) is the national civil-aviation authority we name for regulator context. Country context: Americas, North America.
Traveler context
Common country-language signals: English. Currency context: USD ($). MSY is listed with scheduled service in the airport source snapshot.
Reference description
Airport in Louisiana, United States. This description is used only as identity context; live flight status, terminal assignment, and airport alerts still belong to the official airport or airline source.
Source-specific cues
Regional role cue: Armstrong International is the primary commercial airport for the New Orleans metropolitan area and southeast Louisiana.
Entity fingerprint
Wikidata airport entity: Q1461076 · Louis Armstrong New Orleans International Airport. Owner / owning body: New Orleans. Administrative area: Louisiana · Jefferson Parish · Kenner. Named after: Louis Armstrong · New Orleans
Field and clock profile
Louis Armstrong New Orleans International Airport is a near sea-level field at 4 ft (1 m), positioned at 29.9934° N, 90.2647° W in the Northern subtropics. The runway snapshot lists 2 runways and a longest runway of 10,104 ft / 3,080 m. The airport clock uses America/Chicago (CDT, UTC-05:00), so cross-date arrivals should be checked against this zone rather than the airline origin city.
City and airport alternatives
Kenner is the closest retained city-time anchor at 2.2 km. PNS Pensacola is the closest retained airport alternative at 300 km.
Country airport peers
MSY is compared with PNS Pensacola at 300 km, HOU Houston at 485 km, IAH Houston at 489 km, BHM Birmingham at 517 km, MEM Memphis at 562 km inside the retained United States airport set, which is useful when backup airports share the same country context but differ by city, route network, and clock behavior.
Route geometry
MSY-PNS Pensacola: 300 km, about 1h 13m, +0h. MSY-HOU Houston: 485 km, about 1h 27m, +0h. MSY-IAH Houston: 489 km, about 1h 27m, +0h. These are distance and timezone references, not live flight availability claims.
Source trail
OurAirports ident KMSY backs the stable code, coordinate, elevation, and timezone record. flymsy.com is attached as the official airport website. en.wikipedia.org is used only as supporting reference context. Snapshot date: 2026-05-21.
Operational Profile
Traffic profile
Reference airport
Airline role
Mixed commercial service
Terminal footprint
See operational notes
Runway footprint
2 runways · longest 10,104 ft / 3,080 m
Runway identifiers
02/20, 11/29
OurAirports classifies MSY as a large airport with scheduled service; the airport name and codes identify it as an international gateway for New Orleans.
MSY (KMSY) is a near sea-level field at 4 ft (1 m) in the subtropics, kept in the curated set for its route, timezone, and market-planning value.
MSY sits in a broader regional network with 3 nearby curated alternatives, so airline choice and connection strategy are part of the planning story here.
MSY's runway record lists 2 runways, with the longest runway at 10,104 ft / 3,080 m and source surfaces recorded as asphalt, PEM.
The City of New Orleans is the clearest operator or management signal we currently have on file for MSY.
- A small portion of Runway 11/29 is in unincorporated St.
These operational notes prefer the structured airport facts snapshot, then fall back to the accepted airport reference at flymsy.com, then blend that with local timezone, route, and city-access data already on this page.
Decision matrix for MSY
These are the specific situations where this airport page earns its keep: time-zone conversion, city transfer planning, nearby airport backup logic, and source-confidence checks before acting.
When the clock matters
MSY uses America/Chicago (CDT, UTC-05:00). Use this before overnight arrivals, cross-date departures, and same-day connections.
When surface access matters
Louis Armstrong New Orleans International Airport is about 19 km from central New Orleans; build that transfer into arrival and check-in planning.
When alternates matter
PNS Pensacola is the closest retained alternate at 300 km, time difference +0h.
When source checks matter
flymsy.com is listed as the official airport website in the airport facts snapshot; live schedules, gates, routes, terminals, and NOTAM-sensitive operations still need official airport or airline verification.
How this airport compares nearby
These comparisons place MSY inside the retained airport graph by country, timezone, elevation, and coordinate neighbors. They are deterministic dataset facts, not generated flight claims.
Country-rank position
MSY ranks #52 in the curated United States airport set when large airports are listed before medium airports, then sorted by IATA code. The retained country set has 94 airports.
Same-zone airport cohort
MSY shares America/Chicago with AUS Austin US · BHM Birmingham US · BNA Nashville US · DAL Dallas US · DFW Dallas-Fort Worth US · DSM Des Moines US. This helps separate same-clock airports by city, country, code, and geography.
Elevation-neighbor cohort
MSY is 4 ft (1 m). Closest elevation peers in the retained airport set include BKK 5 ft (2 m) (1 ft delta) · HPH 6 ft (2 m) (2 ft delta) · HSG 6 ft (2 m) (2 ft delta) · PUS 6 ft (2 m) (2 ft delta) · MIA 8 ft (2 m) (4 ft delta).
Coordinate-neighbor check
MSY's nearest retained coordinate neighbors are PNS 300 km +0h · HOU 485 km +0h · IAH 489 km +0h.
Flight Path Arc
Great-circle route between airports with animated plane. Pick a route.
Arriving From / Departing To
| Destination | Route code | Distance | Estimated window | Time difference | Destination clock |
|---|---|---|---|---|---|
| Pensacola | PNS | 300 km | 1h 13m | +0h | --:--:-- |
| Houston | HOU | 485 km | 1h 27m | +0h | --:--:-- |
| Houston | IAH | 489 km | 1h 27m | +0h | --:--:-- |
MSY to PNS
Pensacola
Distance 300 km; estimated travel window 1h 13m; destination zone America/Chicago is +0h from MSY. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
MSY to HOU
Houston
Distance 485 km; estimated travel window 1h 27m; destination zone America/Chicago is +0h from MSY. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
MSY to IAH
Houston
Distance 489 km; estimated travel window 1h 27m; destination zone America/Chicago is +0h from MSY. Use the live destination clock on this page as a cross-timezone planning cue, not as a live flight schedule.
Airport Details
Timezone
Ground Transport and Nearby Context
The airport sits in the normal outer-ring range for a major metro gateway, so rail, shuttle coach, and ride-hail all matter when you judge the fastest arrival.
New Orleans is the nearest mapped city anchor in the current dataset, which makes it the cleanest companion page when travelers want to switch from airport timing into local city timing.
Louis Armstrong New Orleans International Airport has 3 nearby indexed airport alternatives, which makes backup departures and diversion logic part of real planning instead of a theoretical edge case.
Nearby city time anchors
Airport pages are most useful when they bridge into real city clocks. These city anchors are ranked by distance from MSY, then shown with their own timezone, local time, and time difference from the airport clock.
Kenner
kenner · 2.2 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Metairie Terrace
metairie-terrace · 9.8 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Metairie
metairie · 11 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
New Orleans
new-orleans · 19 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Marrero
marrero · 19 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Harvey
harvey · 21 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Gretna
gretna · 22 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Estelle
estelle · 22 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Laplace
laplace · 22 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Terrytown
terrytown · 24 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Chalmette
chalmette · 29 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Slidell
slidell · 56 km · America/Chicago
- Local time
- --:--:--
- Diff
- +0h
Airlines and Network Role
Louis Armstrong New Orleans International Airport does not have a long carrier list in the current source trail, so this page emphasizes the durable pieces travelers can safely use here: local time, field identifiers, nearby airports, and timezone differences.
The route timing references show the first cross-timezone planning burden after this airport: Pensacola (PNS), Houston (HOU), Houston (IAH). Treat them as distance and clock cues, then verify flight availability with the carrier.
Planning checkpoints
- Traffic signal: not clearly stated in the source trail.
- Terminal footprint: not clearly stated in the source trail.
- Runway footprint: 2 runways; longest runway 10,104 ft / 3,080 m; identifiers 02/20, 11/29.
- Runway surfaces: asphalt, PEM; 2 lighted runways in the source snapshot.
- Operator / management: The City of New Orleans.
- Opened / inaugurated: 1944.
- Network role: mixed or not clearly stated in the source trail.
Nearby Airports
Nearby airports are ranked by coordinate distance from MSY. The time difference column is computed from IANA zones against the page snapshot, while the local clocks update in the browser.
Pensacola International AirportPNS
Pensacola · large airport
- Distance
- 300 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 121 ft (37 m)
Compare against PNS when route choice, backup departures, or arrival-side local time matters.
William P. Hobby AirportHOU
Houston · large airport
- Distance
- 485 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 46 ft (14 m)
Compare against HOU when route choice, backup departures, or arrival-side local time matters.
George Bush Intercontinental AirportIAH
Houston · large airport
- Distance
- 489 km
- Local time
- --:--:--
- Time diff
- +0h
- Elevation
- 97 ft (30 m)
Compare against IAH when route choice, backup departures, or arrival-side local time matters.
Questions
FAQ
What timezone is Louis Armstrong New Orleans International Airport (MSY) in?▾
Louis Armstrong New Orleans International Airport is in the America/Chicago timezone (UTC-05:00, CDT).
What are the codes for Louis Armstrong New Orleans International Airport?▾
Louis Armstrong New Orleans International Airport uses IATA code MSY and ICAO code KMSY.
Where is Louis Armstrong New Orleans International Airport located?▾
Louis Armstrong New Orleans International Airport is located in New Orleans, United States at coordinates 29.9934° N, 90.2647° W, with an elevation of 4 ft (1 m) (near sea-level field in the subtropics).
How far is Louis Armstrong New Orleans International Airport from central New Orleans?▾
Louis Armstrong New Orleans International Airport sits roughly 19 km from the nearest mapped city center for New Orleans.
Which route reference is most useful from MSY?▾
Pensacola (PNS) is one of the closest route references on this page, with an estimated travel window of 1h 13m, destination timezone America/Chicago, and a +0h difference from MSY.
Which authority regulates MSY?▾
Louis Armstrong New Orleans International Airport sits inside United States, where civil aviation oversight is led by the Federal Aviation Administration (FAA).
What other airports in United States are close peers to MSY?▾
MSY's curated peers in United States on this site include PNS Pensacola, HOU Houston, IAH Houston, plus 3 more.
How many runways does Louis Armstrong New Orleans International Airport have?▾
Louis Armstrong New Orleans International Airport's source-backed operational summary lists 2 runways, with the longest runway recorded at 10,104 ft / 3,080 m; identifiers include 02/20, 11/29.

