New Orleans (MSY) to Seattle (SEA)
Flight time
≈ 4h 58m
Bearing
314° NW
New Orleans (MSY) to Seattle (SEA) is 2,083 miles (3,353 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies MSY–SEA
Filed traffic dataIn July 2026, Alaska Airlines was the only carrier flying nonstop MSY–SEA; the Boeing 737 MAX 9 was the most common aircraft at 51% of departures; flights ran 88% full.
Departures
122
July 2026
Seats
21,546
both directions
Passengers
19,047
both directions
Load factor
88.4%
RPM ÷ ASM
Who flies MSY–SEA?
Alaska Airlines was the only carrier to fly nonstop MSY–SEA in July 2026 (122 departures).
- AS
122 departures · 21,546 seats
Share of departures100.0%88.4%
Load
What plane flies MSY–SEA?
In July 2026, the Boeing 737 MAX 9 flew 51% of MSY–SEA departures — more than any other aircraft type.
- Boeing 737 MAX 9
62 departures · 89.1% load
50.8% - Boeing 737-900ER
50 departures · 87.3% load
41.0% - Boeing 737-800
8 departures · 90.1% load
6.6% - Boeing 737 MAX 8
2 departures · 88.8% load
1.6%
How has MSY–SEA traffic changed?
Nonstop MSY–SEA departures rose from 114 in August 2025 to 122 in July 2026.
Monthly nonstop MSY–SEA traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
114 departures · 16,256 passengers
80.9%
Load
September 2025
94 departures · 14,092 passengers
83.1%
Load
October 2025
107 departures · 16,172 passengers
85.1%
Load
November 2025
117 departures · 15,795 passengers
76.3%
Load
December 2025
108 departures · 15,882 passengers
84.1%
Load
January 2026
72 departures · 10,465 passengers
81.8%
Load
February 2026
64 departures · 9,876 passengers
87.8%
Load
March 2026
87 departures · 12,629 passengers
83.0%
Load
April 2026
120 departures · 16,257 passengers
77.3%
Load
May 2026
124 departures · 17,386 passengers
79.1%
Load
June 2026
118 departures · 18,390 passengers
88.4%
Load
July 2026
122 departures · 19,047 passengers
88.4%
Load
By direction
Each direction is filed separately — they rarely match.
MSY → SEA
89.1% full
61 departures · 9,598 passengers
SEA → MSY
87.7% full
61 departures · 9,449 passengers
Nonstop MSY–SEA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
New Orleans
US
Louis Armstrong New Orleans International Airport
Coordinates
29.99°N, 90.26°W
Hemisphere
N · W
Frequently asked
How far is New Orleans (MSY) from Seattle (SEA)?
MSY to SEA is 2,083 miles (3,353 km / 1,810 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from MSY to SEA?
A nonstop covers the 2,083-mile great-circle distance in roughly 4h 58m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies MSY–SEA?
In July 2026, the Boeing 737 MAX 9 flew the largest share of departures (50.8%), followed by the Boeing 737-900ER (41.0%).
What mileage do I earn flying MSY–SEA?
Distance-based programs credit off the 2,083-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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