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

ONT Airport Page →
1,792 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 5h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
Ontario to Louisville
Connecting service available through multiple hubs.
1 Flights/wk 1,792 mi 3h 30m nonstop +3h ahead 24 1-stop hubs

While no nonstop service exists between ONT and SDF, connecting options are available through 24 hubs.

Also explore ONT Routes SDF Routes ONT Live Flights SDF Live Flights ONT Delays SDF Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ONT to SDF.
1-STOP
One-Stop Connections
24
Hubs
~5h
Fastest
~25h
Longest
RFD ~5h 39m CVG ~5h 51m BOI ~6h 21m AUS ~6h 23m SJC ~6h 34m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
704
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 → SDF
94%
Generally reliable. Most flights run on time.
Departing
94%
Arriving
76%
Return
SDF → ONT
70%
Moderate delays possible. Allow buffer time.
Departing
70%
Arriving
92%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ONT delays → SDF delays →
Know before you go

Travel Essentials

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

When it's 6:00 PM in Ontario, it's 9:00 PM in Louisville.
Distance & Flight Time
1,792 mi / 2,884 km
Nonstop flight time is approximately 3h 30m.
Facts

ONT–SDF Quick Facts

Key statistics for the Ontario to Louisville route.
Route details
Distance1,792 mi / 2,884 km
Flight time3h 30m
Time difference+3 hours
Airlines (nonstop)0
Weekly flights1 out / 1 return
1-stop connections24 hubs
Origin: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
Destination: SDF
Full nameLouisville Muhammad Ali International Airport
IATA / ICAOSDF / KSDF
TimezoneAmerica/Kentucky/Louisville
Passengers/yr4.7M
Elevation501 ft / 153 m
FAQ

Frequently Asked Questions

Common questions about ONT to SDF flights.
Nonstop flights from Ontario International Airport to Louisville Muhammad Ali International Airport take approximately 3h 30m. The route covers 1,792 miles.
There are approximately 1 nonstop flights per week from ONT to SDF. The return direction has about 1 weekly flights.
Yes, 1-stop connections are available through RFD, CVG, BOI, AUS, SJC, OKC, OAK, FLL, EWR, SLC, ANC, MDW, IAH, ORD, BWI, DFW, PHX, CLT, ATL, DAL, LAS, DEN, BNA and HOU. These options provide additional schedule flexibility.
Louisville is 3 hours ahead of Ontario.
Yes, return flights from SDF to ONT 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 ONT to SDF

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

ONT to SDF Flight Duration and Schedule

Nonstop flight time from ONT to SDF ranges from 3 hours 30 minutes. The route covers a distance of 1,792 miles (2,884 km). There are approximately 1 weekly flights outbound and 1 return, totaling 2 flights per week in both directions.

Connecting Options and Alternatives

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