New Orleans to St Louis (MSY–STL) — Airlines, Schedules & Connections

MSY Airport Page →
605 mi airlines 26/wk
On-time Some delays Frequent delays
Flight Schedule 11 flights Verified 4h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
WN2427
WN Southwest
738
7:16 AM
EDT
8:53 AM
EDT
1h 37m
M T W T F S S
Prices
WN3871
WN Southwest
7M8
7:45 AM
EDT
9:35 AM
EDT
1h 50m
M T W T F S S
Prices
WN290
WN Southwest
7S7
7:45 AM
EDT
9:35 AM
EDT
1h 50m
M T W T F S S
Prices
WN2782
WN Southwest
7M8
6:05 PM
EDT
8:00 PM
EDT
1h 55m
M T W T F S S
Prices
WN212
WN Southwest
7S7
6:05 PM
EDT
7:55 PM
EDT
1h 50m
M T W T F S S
Prices
WN623
WN Southwest
7M8
8:25 AM
EDT T2
10:15 AM
EDT
1h 50m
M T W T F S S
Prices
WN4500
WN Southwest
7S7
8:35 AM
EDT T2
10:20 AM
EDT
1h 45m
M T W T F S S
Prices
WN397
WN Southwest
7S7
3:35 PM
EDT T2
5:20 PM
EDT
1h 45m
M T W T F S S
Prices
WN3074
WN Southwest
73H
6:20 PM
EDT T2
8:54 PM
EDT
2h 34m
M T W T F S S
Prices
WN4501
WN Southwest
7M8
8:55 PM
EDT T2
10:45 PM
EDT
1h 50m
M T W T F S S
Prices
WN725
WN Southwest
7M8
9:35 PM
EDT T2
11:25 PM
EDT
1h 50m
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 St Louis
1 carrier, 26 flights/week nonstop.
1 Airlines 26 Flights/wk 605 mi 1h 37m nonstop 66 1-stop hubs

MSY–STL is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 605 miles in approximately 1h 37m. Beyond nonstop, 66 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop MSY–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 26 738, 7M8, 7S7 1h37-1h55 40%
Aircraft on this route
738 Boeing 737-800 – WN
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
Alliance coverage
Unaffiliated: WN (26 flights/wk, 100%)
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 STL direction.
Mon
4
flights
Tue
3
flights
Wed
3
flights
Thu
4
flights
Fri
4
flights
Sat
3
flights
Sun
5
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
5
Nonstop flights
26
Outbound / wk
29
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for MSY to STL.
1-STOP
One-Stop Connections
66
Hubs
~3h
Fastest
~31h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,199
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 → STL
40%
Frequent delays expected. Consider flexible booking.
Departing
40%
Arriving
72%
Return
STL → MSY
69%
Moderate delays possible. Allow buffer time.
Departing
69%
Arriving
64%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. MSY delays → STL delays →

Other ways to reach St Louis from New Orleans

Nearby airports with service to St. Louis Lambert International Airport.
Metric MSY→STL PNS→STL
Distance from MSY 187 mi
Nonstop airlines 1 1
Weekly flights 26 9
Flight time 1h 37m 1h 36m
Departure OTP 40%
Airports within 200 miles of MSY with service to St. Louis Lambert International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
St Louis is 0 hours the same as New Orleans.
MSY: EDT · STL: EDT

When it's 6:00 PM in New Orleans, it's 6:00 PM in St Louis.
Distance & Flight Time
605 mi / 974 km
Nonstop flight time is approximately 1h 37m to 1h 55m.

MSY–STL Quick Facts

Key statistics for the New Orleans to St Louis route.
Route details
Distance605 mi / 974 km
Flight time1h 37m to 1h 55m
Time difference0 hours
Airlines (nonstop)1
Weekly flights26 out / 29 return
1-stop connections66 hubs
Origin: MSY
IATA / ICAOMSY / KMSY
TimezoneAmerica/Kentucky/Monticello
Passengers/yr13.1M
Elevation4 ft / 1 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
Passengers/yr15.6M
Elevation618 ft / 188 m

Frequently Asked Questions

Common questions about MSY to STL flights.
Nonstop flights from Louis Armstrong New Orleans International Airport to St. Louis Lambert International Airport take approximately 1h 37m to 1h 55m. The route covers 605 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 26 nonstop flights per week from MSY to STL. The return direction has about 29 weekly flights.
Yes, 1-stop connections are available through SUS, ECP, TUL, BCT, OMA, PIE, BKL, SAV, TEB, ORF, CLE, DSM, MYR, NAS, PBI, SRQ, AFW, RIL, BUR, ICT, ASE, CHS, BZN, PSP, SJC, BNA, RDU, IAH, MEM, DFW, MDW, DAL, ORD, HOU, MIA, JAX, FLL, PHL, ATL, DEN, MCO, EWR, TPA, AUS, BWI, MCI, PHX, LAS, SAT, DTW, MSP, SEA, DCA, BOS, IAD, CLT, LAX, LGA, SLC, SAN, SFO, PIT, YYZ, CVG, CUN and HND. These options provide additional schedule flexibility.
Yes, return flights from STL to MSY are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include PNS. See the Alternatives section for a full comparison.
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 STL

Louis Armstrong New Orleans International Airport (MSY) and St. Louis Lambert International Airport (STL) are connected by nonstop service from Southwest Airlines. With 26 weekly departures, this is a well served route.

MSY to STL Flight Duration and Schedule

Nonstop flight time from MSY to STL ranges from 1 hours 37 minutes to 1 hours 55 minutes. The route covers a distance of 605 miles (974 km). There are approximately 26 weekly flights outbound and 29 return, totaling 55 flights per week in both directions.

Connecting Options and Alternatives

66 one-stop connections are available, with the fastest taking approximately 3 hours via SUS. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Pensacola (PNS).