Ontario to New Orleans (ONT–MSY) — Airlines, Schedules & Connections

ONT Airport Page →
1,621 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 17 1-stop flights Verified 3w ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
HOU Houston 5h WN → WN Houston (HOU) to New Orleans flights
AUS Austin 5h 3m WN → AMDLWN Austin (AUS) to New Orleans flights
PHX Phoenix 5h 5m AAPDWN → AAWN Phoenix (PHX) to New Orleans flights
DAL Dallas 5h 5m WN → WN Dallas (DAL) to New Orleans flights
LAS Las Vegas 5h 15m F9WNY4 → F9MXWN Las Vegas (LAS) to New Orleans flights
DEN Denver 5h 25m ACF9UA → ACF9UA Denver (DEN) to New Orleans flights
DFW Dallas-Fort Worth 5h 26m AABAF9 → AAASAY Dallas-Fort Worth (DFW) to New Orleans flights
BNA Nashville 6h 27m WN → WN Nashville (BNA) to New Orleans flights
ATL Atlanta 6h 29m AFAMDL → AFAMDL Atlanta (ATL) to New Orleans flights
SFO San Francisco 6h 39m ACCMF9 → NZUAVA San Francisco (SFO) to New Orleans flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Ontario to New Orleans
Connecting service available through multiple hubs.
1 Airlines 1,621 mi 3h 24m nonstop +2h ahead

ONT–MSY had nonstop service from Southwest Airlines, last on the schedule in August 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 1,621 miles in 3h 24m.

Also explore Browse available seat maps ONT Routes MSY Routes ONT Live Flights MSY Live Flights ONT Delays MSY Delays
All flights from New Orleans (MSY) New Orleans to Ontario flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop ONT–MSY service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 1 – – 100% – –
Alliance coverage
Unaffiliated: WN (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for ONT to MSY.
1-STOP
One-Stop Connections
17
Hubs
~5h
Fastest
~18h
Longest
HOU ~5h 0m AUS ~5h 3m PHX ~5h 5m DAL ~5h 5m LAS ~5h 15m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
867
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
ONT → MSY
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
50%
Return
MSY → ONT
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ONT delays → MSY delays →
Alternatives

Other ways to reach New Orleans from Ontario

Nearby airports with service to Louis Armstrong New Orleans International Airport.
Metric ONT→MSY SNA→MSY LGB→MSY
Distance from ONT – 30 mi 36 mi
Nonstop airlines – 2 2
Weekly flights – 1 –
Flight time 3h 24m 3h 21m 3h 27m
Departure OTP 100% – –
Santa Ana (SNA) to New Orleans flights · Long Beach (LGB) to New Orleans flights · Los Angeles (LAX) to New Orleans flights
Airports within 200 miles of ONT with service to Louis Armstrong New Orleans International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+2h
New Orleans is 2 hours ahead of Ontario.
ONT: PDT · MSY: CDT

When it's 6:00 PM in Ontario, it's 8:00 PM in New Orleans.
Distance & Flight Time
1,621 mi / 2,608 km
Nonstop flight time is approximately 3h 24m gate to gate.
Facts

ONT–MSY Quick Facts

Key statistics for the Ontario to New Orleans route.
Route details
Distance1,621 mi / 2,608 km
Flight time3h 24m
Time difference+2 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: MSY
Full nameLouis Armstrong New Orleans International Airport
IATA / ICAOMSY / KMSY
TimezoneAmerica/Chicago
Passengers/yr13.1M
Elevation4 ft / 1 m
FAQ

Frequently Asked Questions

Common questions about ONT to MSY flights.
Nonstop flights from Ontario International Airport to Louis Armstrong New Orleans International Airport take about 3h 24m gate to gate. The route covers 1,621 miles.
1 airline operated the nonstop from ONT to MSY: Southwest Airlines. The last scheduled nonstop was in August 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in August 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 3h 24m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include William P. Hobby, Austin Bergstrom and Phoenix Sky Harbor.
On a single ticket, yes. Your bags are checked through to MSY and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
New Orleans is 2 hours ahead of Ontario.
Nearby alternatives include SNA, LGB and LAX. 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 ONT to MSY

Ontario International Airport (ONT) and Louis Armstrong New Orleans International Airport (MSY) had nonstop service from Southwest Airlines, last on the schedule in August 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

ONT to MSY Flight Duration and Schedule

Nonstop flight time from ONT to MSY is about 3 hours 24 minutes gate to gate. The route covers a distance of 1,621 miles (2,608 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via William P. Hobby, Austin Bergstrom and Phoenix Sky Harbor. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Santa Ana (SNA), Long Beach (LGB) and Los Angeles (LAX).