Main terminal building
Level 3 has departures and ticketing, Level 2 has the TSA checkpoint and the passage to the concourses, and Level 1 has baggage claim and ground transportation. A music stage near baggage claim hosts live jazz.
Louis Armstrong New Orleans International Airport (MSY) terminal guide
New Orleans, Louisiana KMSY #39 US airport by passengers
How MSY is laid out and how to move between buildings.
Terminals at MSY
Concourse A
West concourse with gates A1 to A6. Third-party guides say it handles international arrivals (customs is in this concourse), British Airways, Condor, Copa and Allegiant, with some Alaska and Frontier flights.
Concourse B
The central concourse. Third-party sources place Southwest and American here. Confirm your gate with your airline.
Concourse C
The east and largest concourse. Third-party sources place Delta, United, JetBlue and Spirit here. Delta Sky Club and the United Lounge are on this concourse.
Moving between terminals
There is only one terminal and the three concourses are connected inside the secure area, so you do not need to leave security to connect. The airport's master plan calls for a second terminal and more gates in the future, but that is not under construction.
Reviewed October 8, 2026. Confirm details on the official airport website. Spotted a change?
Frequently asked questions
How many terminals and concourses does MSY have?
One terminal building with three concourses, A, B and C, all reached through a single checkpoint on Level 2. The terminal opened in November 2019.