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 ⇄ Buffalo Niagara International MSY–BUF

Airlines flew 12 flights between Louis Armstrong New Orleans International MSY in New Orleans, LA and Buffalo Niagara International BUF in Buffalo, NY in the twelve months to July 2026, both directions together: 1,596 passengers in 2,506 seats, 64% of them filled, and 15,264 pounds of freight. 1,097 miles, about 135 minutes in the air, on 3 airlines: Sun Country Airlines d/b/a MN Airlines (6), Southwest Airlines Co. (4), United Air Lines Inc. (2). Planning to fly it yourself? The weather and winds along this route right now.

12
flights, twelve months
MSY-BUF: 7 · BUF-MSY: 5
1,596
passengers
64% of seats filled
1,097
miles
about 135 minutes airborne
3
airlines
4 aircraft types

Flights by month both directions

0123428/254124/26127/26
By month, as a table
flights
8/252
9/254
1/261
4/262
5/261
7/262

Passengers by month

01723445166883408/25688411744/2653487/26
By month, as a table
passengers
8/25340
9/25688
1/2641
4/26174
5/265
7/26348

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Sun Country Airlines d/b/a MN Airlines SY686277%charter passenger service
Southwest Airlines Co. WN436455%scheduled passenger service
United Air Lines Inc. UA237051%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-8006186862
Boeing B737 Max 8003175359
Boeing 777-200ER/200LR/233LR2364370
Boeing 737-700/700LR/Max 711375

MSY → BUF this direction alone · flown August 2025 to July 2026

7 flights of 1 scheduled, 799 passengers in 1,409 seats, 8,708 pounds of freight. Sun Country Airlines d/b/a MN Airlines 3; Southwest Airlines Co. 3; United Air Lines Inc. 1.

BUF → MSY this direction alone · flown August 2025 to July 2026

5 flights of 1 scheduled, 797 passengers in 1,097 seats, 6,556 pounds of freight. Sun Country Airlines d/b/a MN Airlines 3; United Air Lines Inc. 1; Southwest Airlines Co. 1.

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 Buffalo Niagara International BUF; all routes.