Louisville to Ontario (SDF–ONT) — Airlines, Schedules & Connections

SDF Airport Page →
1,792 mi airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 13 1-stop flights Verified 1w ago
No nonstop service between SDF and ONT. Nearest airports to SDF with scheduled service: Cincinnati Northern Kentucky International Airport (CVG, 84 mi) · Nashville International Airport (BNA, 151 mi) · Blue Grass Airport (LEX, 62 mi)
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
BNA Nashville 5h 58m WN → WN Nashville (BNA) to Ontario flights
LAS Las Vegas 6h WN → EJAF9WN Las Vegas (LAS) to Ontario flights
PHX Phoenix 6h WN → AAWN Phoenix (PHX) to Ontario flights
DEN Denver 6h 7m ACUAWN → ACF9UA Denver (DEN) to Ontario flights
MDW Chicago 6h 15m COLWN → WN Chicago (MDW) to Ontario flights
DFW Dallas-Fort Worth 6h 17m AAASAY → AABAF9 Dallas-Fort Worth (DFW) to Ontario flights
ATL Atlanta 6h 43m AFAMDL → AFAMDL Atlanta (ATL) to Ontario flights
ORD Chicago 7h 5m AAACAS → UA Chicago (ORD) to Ontario flights
HOU Houston 7h 33m WN → WN Houston (HOU) to Ontario flights
CLT Charlotte 7h 59m AA → AABA Charlotte (CLT) to Ontario flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Louisville to Ontario
Connecting service available through multiple hubs.
1,792 mi 3h 52m nonstop -3h behind

While no nonstop service exists between SDF and ONT, 1-stop connecting options are available.

Also explore Browse available seat maps SDF Routes ONT Routes SDF Live Flights ONT Live Flights SDF Delays ONT Delays
All flights from Ontario (ONT) Ontario to Louisville flights
Connections

Connection Landscape

1-stop and 2-stop options for SDF to ONT.
1-STOP
One-Stop Connections
13
Hubs
~5h
Fastest
~9h
Longest
BNA ~5h 58m LAS ~6h 0m PHX ~6h 0m DEN ~6h 7m MDW ~6h 15m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
639
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
SDF → ONT
69%
Moderate delays possible. Allow buffer time.
Departing
69%
Arriving
100%
Return
ONT → SDF
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. SDF delays → ONT delays →
Alternatives

Other ways to reach Ontario from Louisville

Nearby airports with service to Ontario International Airport.
Metric SDF→ONT LEX→ONT CVG→ONT
Distance from SDF – 62 mi 84 mi
Nonstop airlines – 1 3
Weekly flights – – 2
Flight time 3h 52m 4h 14m 4h 15m
Departure OTP 69% – –
Lexington (LEX) to Ontario flights · Cincinnati / Covington (CVG) to Ontario flights · Indianapolis (IND) to Ontario flights
Airports within 200 miles of SDF with service to Ontario International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-3h
Ontario is 3 hours behind Louisville.
SDF: EDT · ONT: PDT

When it's 6:00 PM in Louisville, it's 3:00 PM in Ontario.
Distance & Flight Time
1,792 mi / 2,884 km
Nonstop flight time is approximately 3h 52m gate to gate.
Facts

SDF–ONT Quick Facts

Key statistics for the Louisville to Ontario route.
Route details
Distance1,792 mi / 2,884 km
Flight time3h 52m
Time difference-3 hours
Airlines (nonstop)0
1-stop connectionsAvailable
Origin: SDF
Full nameLouisville Muhammad Ali International Airport
IATA / ICAOSDF / KSDF
TimezoneAmerica/New_York
Passengers/yr4.7M
Elevation501 ft / 153 m
Destination: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
FAQ

Frequently Asked Questions

Common questions about SDF to ONT flights.
Nonstop flights from Louisville Muhammad Ali International Airport to Ontario International Airport take about 3h 52m gate to gate. The route covers 1,792 miles.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Nashville, Harry Reid and Phoenix Sky Harbor.
On a single ticket, yes. Your bags are checked through to ONT 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.
Ontario is 3 hours behind Louisville.
Yes, return flights from ONT to SDF are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include LEX, CVG and IND. 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 SDF to ONT

Louisville Muhammad Ali International Airport (SDF) and Ontario International Airport (ONT) are connected through multiple connecting hub airports.

SDF to ONT Flight Duration and Schedule

Nonstop flight time from SDF to ONT is about 3 hours 52 minutes gate to gate. The route covers a distance of 1,792 miles (2,884 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Nashville, Harry Reid and Phoenix Sky Harbor. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Lexington (LEX), Cincinnati / Covington (CVG) and Indianapolis (IND).