Washington Dulles International ⇄ Louis Armstrong New Orleans International IAD–MSY
Airlines flew 1,353 flights between Washington Dulles International IAD in Washington, DC and Louis Armstrong New Orleans International MSY in New Orleans, LA in the twelve months to July 2026, both directions together: 158,726 passengers in 209,593 seats, 76% of them filled, and 62,322 pounds of freight. 955 miles, about 136 minutes in the air, on 7 airlines: United Air Lines Inc. (1,222), Mesa Airlines Inc. (82), Republic Airline (33), Frontier Airlines Inc. (6) and 3 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 115 |
| 2/25 | 119 |
| 3/25 | 124 |
| 4/25 | 125 |
| 5/25 | 167 |
| 6/25 | 119 |
| 7/25 | 123 |
| 8/25 | 109 |
| 9/25 | 97 |
| 10/25 | 110 |
| 11/25 | 123 |
| 12/25 | 122 |
| 1/26 | 102 |
| 2/26 | 107 |
| 3/26 | 106 |
| 4/26 | 123 |
| 5/26 | 148 |
| 6/26 | 104 |
| 7/26 | 102 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 11,793 |
| 2/25 | 11,626 |
| 3/25 | 14,079 |
| 4/25 | 13,092 |
| 5/25 | 18,643 |
| 6/25 | 15,266 |
| 7/25 | 13,730 |
| 8/25 | 11,031 |
| 9/25 | 10,163 |
| 10/25 | 13,420 |
| 11/25 | 13,650 |
| 12/25 | 12,408 |
| 1/26 | 10,715 |
| 2/26 | 12,172 |
| 3/26 | 13,567 |
| 4/26 | 16,492 |
| 5/26 | 18,474 |
| 6/26 | 13,792 |
| 7/26 | 12,842 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 1,222 | 150,077 | 75% | scheduled passenger service |
| Mesa Airlines Inc. YV | 82 | 5,628 | 91% | scheduled passenger service |
| Republic Airline YX | 33 | 2,272 | 91% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 6 | 428 | 38% | scheduled passenger service |
| Jet Aviation Flight Services, Inc. 27Q | 5 | 14 | 20% | charter passenger service |
| Delta Air Lines Inc. DL | 4 | 242 | 70% | charter passenger service |
| PSA Airlines Inc. OH | 1 | 65 | 100% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-900ER | 583 | 179 | 77,952 |
| Airbus Industrie A319 | 166 | 126 | 16,902 |
| Boeing 737-700/700LR/Max 7 | 142 | 126 | 14,545 |
| Boeing 737-800 | 130 | 166 | 15,042 |
| Embraer ERJ-175 | 113 | 75 | 7,801 |
| Boeing B737 Max 900 | 108 | 179 | 14,090 |
| Boeing B737 Max 800 | 67 | 166 | 8,829 |
| Airbus Industrie A320-100/200 | 21 | 150 | 2,162 |
| Airbus Industrie A320-200n | 6 | 186 | 428 |
| Gulfstream G450 | 5 | 14 | 14 |
| Airbus Industrie A321-200n | 4 | 200 | 376 |
| Boeing 757-200 | 3 | 72 | 126 |
| Embraer-Emb-170 | 2 | 70 | 99 |
| Canadair RJ-700 | 1 | 65 | 65 |
| Boeing 737-900 | 1 | 179 | 179 |
| A220-300 BD-500-1A11 | 1 | 130 | 116 |
IAD → MSY this direction alone · flown January 2025 to July 2026
675 flights of 673 scheduled, 78,526 passengers in 105,560 seats, 27,305 pounds of freight. United Air Lines Inc. 610; Mesa Airlines Inc. 41; Republic Airline 17; Jet Aviation Flight Services, Inc. 3; Frontier Airlines Inc. 3; Delta Air Lines Inc. 1.
MSY → IAD this direction alone · flown January 2025 to July 2026
678 flights of 674 scheduled, 80,200 passengers in 104,033 seats, 35,017 pounds of freight. United Air Lines Inc. 612; Mesa Airlines Inc. 41; Republic Airline 16; Delta Air Lines Inc. 3; Frontier Airlines Inc. 3; Jet Aviation Flight Services, Inc. 2; PSA Airlines Inc. 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: Washington Dulles International IAD and Louis Armstrong New Orleans International MSY; all routes.