The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Louis Armstrong New Orleans International ⇄ William P Hobby MSY–HOU

Airlines flew 4,615 flights between Louis Armstrong New Orleans International MSY in New Orleans, LA and William P Hobby HOU in Houston, TX in the twelve months to July 2026, both directions together: 435,735 passengers in 730,181 seats, 60% of them filled, and 635,234 pounds of freight. 303 miles, about 54 minutes in the air, on 3 airlines: Southwest Airlines Co. (4,596), Delta Air Lines Inc. (17), Sun Country Airlines d/b/a MN Airlines (2). Planning to fly it yourself? The weather and winds along this route right now.

4,615
flights, twelve months
MSY-HOU: 2,305 · HOU-MSY: 2,310
435,735
passengers
60% of seats filled
303
miles
about 54 minutes airborne
3
airlines
5 aircraft types

Flights by month both directions

01042073104141/254/257/2510/251/264/263987/26
By month, as a table
flights
1/25334
2/25373
3/25403
4/25403
5/25412
6/25369
7/25362
8/25359
9/25353
10/25414
11/25397
12/25386
1/26371
2/26375
3/26398
4/26386
5/26389
6/26389
7/26398

Passengers by month

011,23422,46833,70244,9361/254/257/2510/251/264/2633,6187/26
By month, as a table
passengers
1/2531,408
2/2535,780
3/2544,936
4/2544,582
5/2544,762
6/2539,592
7/2537,014
8/2534,531
9/2536,579
10/2543,982
11/2536,364
12/2535,706
1/2629,934
2/2635,968
3/2637,653
4/2636,907
5/2638,596
6/2635,897
7/2633,618

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southwest Airlines Co. WN4,596435,14660%scheduled passenger service
Delta Air Lines Inc. DL1758933%charter passenger service, scheduled passenger service
Sun Country Airlines d/b/a MN Airlines SY200%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-700/700LR/Max 72,175140192,526
Boeing B737 Max 8001,416175140,883
Boeing 737-8001,007175101,737
Boeing 757-2001597410
Airbus Industrie A320-100/2002157179

MSY → HOU this direction alone · flown January 2025 to July 2026

2,305 flights of 2,297 scheduled, 221,589 passengers in 371,450 seats, 379,251 pounds of freight. Southwest Airlines Co. 2,298; Delta Air Lines Inc. 7.

HOU → MSY this direction alone · flown January 2025 to July 2026

2,310 flights of 2,297 scheduled, 214,146 passengers in 358,731 seats, 255,983 pounds of freight. Southwest Airlines Co. 2,298; Delta Air Lines Inc. 10; Sun Country Airlines d/b/a MN Airlines 2.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Louis Armstrong New Orleans International MSY and William P Hobby HOU; all routes.