New Orleans to Seattle (MSY–SEA) — Airlines, Schedules & Connections

MSY Airport Page →
2,083 mi airlines 7/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 33m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
AS451
AS Alaska
7M9
6:18 PM
EDT
9:39 PM
MDT
5h 21m
M T W T F S S
Prices
AS568
AS Alaska
7M9
10:50 AM
MDT
5:20 PM
EDT
4h 30m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
New Orleans to Seattle
3 carriers, 7 flights/week nonstop.
3 Airlines 7 Flights/wk 2,083 mi 5h 21m nonstop -2h behind 56 1-stop hubs

MSY–SEA is served by 3 airlines with nonstop service. Alaska Airlines, Delta Air Lines and United Airlines lead the route. The flight covers 2,083 miles in approximately 5h 21m. Beyond nonstop, 56 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop MSY–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 7 7M9 5h21 73% Oneworld
DL Delta Air Lines 0 73% SkyTeam
UA United Airlines 0 73% Star Alliance
Aircraft on this route
7M9 Boeing 737 MAX 9 – AS
Alliance coverage
Oneworld: AS (7 flights/wk, 100%)
SkyTeam: DL (0 flights/wk, 0%)
Star Alliance: UA (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, MSY to SEA direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
7
Outbound / wk
7
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for MSY to SEA.
1-STOP
One-Stop Connections
56
Hubs
~6h
Fastest
~29h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,765
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
MSY → SEA
73%
Moderate delays possible. Allow buffer time.
Departing
73%
Arriving
94%
Return
SEA → MSY
86%
Generally reliable. Most flights run on time.
Departing
86%
Arriving
80%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. MSY delays → SEA delays →

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Seattle is 2 hours behind New Orleans.
MSY: EDT · SEA: MDT

When it's 6:00 PM in New Orleans, it's 4:00 PM in Seattle.
Distance & Flight Time
2,083 mi / 3,353 km
Nonstop flight time is approximately 5h 21m.
Getting from SEA

Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.

Seattle Climate

Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.

Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.

MSY–SEA Quick Facts

Key statistics for the New Orleans to Seattle route.
Route details
Distance2,083 mi / 3,353 km
Flight time5h 21m
Time difference-2 hours
Airlines (nonstop)3
Weekly flights7 out / 7 return
1-stop connections56 hubs
Origin: MSY
IATA / ICAOMSY / KMSY
TimezoneAmerica/Kentucky/Monticello
Passengers/yr13.1M
Elevation4 ft / 1 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about MSY to SEA flights.
Nonstop flights from Louis Armstrong New Orleans International Airport to Seattle–Tacoma International Airport take approximately 5h 21m. The route covers 2,083 miles.
3 airlines operate nonstop service: Alaska Airlines, Delta Air Lines and United Airlines.
There are approximately 7 nonstop flights per week from MSY to SEA. The return direction has about 7 weekly flights.
Yes, 1-stop connections are available through HOU, MEM, ASE, FAR, OMA, BUR, BZN, AFW, PSP, ICT, SNA, CLE, SJC, SJO, CUN, YYZ, CHS, BWI, MCI, IAD, SAT, ATL, DFW, STL, MIA, IAH, DEN, TPA, MCO, AUS, PHX, LAS, ORD, MDW, RDU, CLT, BNA, FLL, PHL, MSP, DAL, DCA, SFO, PDX, SLC, EWR, SAN, LAX, HND, DTW, LHR, CVG, BOS, PVG, JFK and PIT. These options provide additional schedule flexibility.
Seattle is 2 hours behind New Orleans.
Yes, return flights from SEA to MSY are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from MSY to SEA

Louis Armstrong New Orleans International Airport (MSY) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Alaska Airlines, Delta Air Lines and United Airlines. With 7 weekly departures, this is a regularly served route.

MSY to SEA Flight Duration and Schedule

Nonstop flight time from MSY to SEA ranges from 5 hours 21 minutes. The route covers a distance of 2,083 miles (3,353 km). There are approximately 7 weekly flights outbound and 7 return, totaling 14 flights per week in both directions.

Connecting Options and Alternatives

56 one-stop connections are available, with the fastest taking approximately 6 hours via HOU. Two-stop connections are also available via intermediate hubs.