Louis Armstrong New Orleans International ⇄ Seattle-Tacoma International MSY–SEA
Airlines flew 1,247 flights between Louis Armstrong New Orleans International MSY in New Orleans, LA and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 182,247 passengers in 220,301 seats, 83% of them filled, and 346,790 pounds of freight. 2,086 miles, about 281 minutes in the air, on 3 airlines: Alaska Airlines Inc. (1,235), Delta Air Lines Inc. (10), United Air Lines Inc. (2). 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 | 114 |
| 2/25 | 87 |
| 3/25 | 93 |
| 4/25 | 120 |
| 5/25 | 124 |
| 6/25 | 118 |
| 7/25 | 122 |
| 8/25 | 114 |
| 9/25 | 94 |
| 10/25 | 107 |
| 11/25 | 117 |
| 12/25 | 108 |
| 1/26 | 72 |
| 2/26 | 64 |
| 3/26 | 87 |
| 4/26 | 120 |
| 5/26 | 124 |
| 6/26 | 118 |
| 7/26 | 122 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 13,607 |
| 2/25 | 10,917 |
| 3/25 | 13,587 |
| 4/25 | 17,723 |
| 5/25 | 17,959 |
| 6/25 | 18,831 |
| 7/25 | 19,151 |
| 8/25 | 16,256 |
| 9/25 | 14,092 |
| 10/25 | 16,172 |
| 11/25 | 15,795 |
| 12/25 | 15,882 |
| 1/26 | 10,465 |
| 2/26 | 9,876 |
| 3/26 | 12,629 |
| 4/26 | 16,257 |
| 5/26 | 17,386 |
| 6/26 | 18,390 |
| 7/26 | 19,047 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Alaska Airlines Inc. AS | 1,235 | 180,460 | 83% | scheduled passenger service |
| Delta Air Lines Inc. DL | 10 | 1,417 | 86% | scheduled passenger service |
| United Air Lines Inc. UA | 2 | 370 | 53% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-900ER | 585 | 178 | 86,063 |
| Boeing B737 Max 900 | 547 | 178 | 80,302 |
| Boeing 737-800 | 99 | 160 | 13,509 |
| Boeing B737 Max 800 | 14 | 160 | 2,003 |
| Boeing 777-300/300ER/333ER | 2 | 350 | 370 |
MSY → SEA this direction alone · flown January 2025 to July 2026
623 flights of 628 scheduled, 91,007 passengers in 110,070 seats, 228,516 pounds of freight. Alaska Airlines Inc. 617; Delta Air Lines Inc. 5; United Air Lines Inc. 1.
SEA → MSY this direction alone · flown January 2025 to July 2026
624 flights of 631 scheduled, 91,240 passengers in 110,231 seats, 118,274 pounds of freight, 843 pounds of mail. Alaska Airlines Inc. 618; Delta Air Lines Inc. 5; United Air Lines 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: Louis Armstrong New Orleans International MSY and Seattle-Tacoma International SEA; all routes.