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

SEA Airport Page →
2,083 mi airlines 7/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 1h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
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→
AS568
AS Alaska
7M9
10:50 AM
MDT
5:20 PM
EDT
4h 30m
—
M T W T F S S
Prices
✓
←
AS451
AS Alaska
7M9
6:18 PM
EDT
9:39 PM
MDT
5h 21m
—
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...
Seattle to New Orleans
2 carriers, 7 flights/week nonstop.
2 Airlines 7 Flights/wk 2,083 mi 4h 30m nonstop +2h ahead 49 1-stop hubs

SEA–MSY is served by 2 airlines with nonstop service. Alaska Airlines and Delta Air Lines lead the route. The flight covers 2,083 miles in approximately 4h 30m. Beyond nonstop, 49 hubs offer 1-stop connections.

Also explore SEA Routes MSY Routes SEA Live Flights MSY Live Flights SEA Delays MSY Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop SEA–MSY service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines 7 7M9 4h30 100% Oneworld –
DL Delta Air Lines 0 – – 100% SkyTeam –
Aircraft on this route
7M9 Boeing 737 MAX 9 – AS
Alliance coverage
Oneworld: AS (7 flights/wk, 100%)
SkyTeam: DL (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SEA to MSY 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
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to MSY.
1-STOP
One-Stop Connections
49
Hubs
~5h
Fastest
~28h
Longest
MKC ~5h 54m EGE ~6h 11m OAK ~6h 33m MEM ~6h 43m GSO ~7h 24m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,772
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
SEA → MSY
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
50%
Return
MSY → SEA
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
79%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays → MSY delays →
Know before you go

Travel Essentials

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

When it's 6:00 PM in Seattle, it's 8:00 PM in New Orleans.
Distance & Flight Time
2,083 mi / 3,353 km
Nonstop flight time is approximately 4h 30m.
Getting to SEA

Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).

Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.

Facts

SEA–MSY Quick Facts

Key statistics for the Seattle to New Orleans route.
Route details
Distance2,083 mi / 3,353 km
Flight time4h 30m
Time difference+2 hours
Airlines (nonstop)2
Weekly flights7 out / 7 return
1-stop connections49 hubs
Origin: SEA
Full nameSeattle–Tacoma International Airport
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m
Destination: MSY
Full nameLouis Armstrong New Orleans International Airport
IATA / ICAOMSY / KMSY
TimezoneAmerica/Kentucky/Monticello
Passengers/yr13.1M
Elevation4 ft / 1 m
FAQ

Frequently Asked Questions

Common questions about SEA to MSY flights.
Nonstop flights from Seattle–Tacoma International Airport to Louis Armstrong New Orleans International Airport take approximately 4h 30m. The route covers 2,083 miles.
2 airlines operate nonstop service: Alaska Airlines and Delta Air Lines.
There are approximately 7 nonstop flights per week from SEA to MSY. The return direction has about 7 weekly flights.
Yes, 1-stop connections are available through MKC, EGE, OAK, MEM, GSO, MKE, CHS, CLE, CVG, STL, MDW, LAS, PHL, ATL, DFW, IAH, PHX, LAX, MCO, SLC, CLT, AUS, ORD, MCI, DEN, MIA, RDU, YYZ, SFO, SAN, BNA, IAD, EWR, LHR, FLL, JFK, DAL, DTW, PDX, SAT, BOS, TPA, DCA, MSP, BWI, CUN, RSW, PIT and SHV. These options provide additional schedule flexibility.
New Orleans is 2 hours ahead of Seattle.
Yes, return flights from MSY to SEA 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 SEA to MSY

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

SEA to MSY Flight Duration and Schedule

Nonstop flight time from SEA to MSY ranges from 4 hours 30 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

49 one-stop connections are available, with the fastest taking approximately 5 hours via MKC. Two-stop connections are also available via intermediate hubs.