Louisville to Ontario flights
Direct and connecting flights from Louisville International Standiford Field (SDF) to Ontario International Airport (ONT) — airlines, aircraft types, and the safety record for this route.
Route FAQ
How long does the flight from Louisville to Ontario take?
Flight time from Louisville (SDF) to Ontario (ONT) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. The typical block time and frequency we have observed for this route are shown above.
Which airlines fly from Louisville to Ontario?
Airline availability for SDF to ONT changes by season and sometimes week to week as carriers adjust capacity. The airlines and aircraft types observed operating this route, both direct and connecting, are listed below based on real flight-tracking data.
Are there direct flights from Louisville to Ontario?
Direct (nonstop) availability on SDF to ONT varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons.
No fatal or serious occurrence involving any operator on this pair in the last 90 days.
- UPS76
- CKSNo data
| Carrier | Sightings / 90d | Safety events |
|---|---|---|
| UPS | 3 sightings | No recorded events |
| CKS | 1 sighting | No recorded events |
Planning SDF → ONT
SDF to ONT is a medium-haul route of 2,884 km (1,792 mi). See the return ONT → SDF route.
Alternative airports near Louisville: Louisville (LOU) — 9 km, Fort Knox (FTK) — 36 km, Frankfort (FFT) — 73 km.
Alternative airports near Ontario: Upland (CCB) — 10 km, Chino (CNO) — 10 km, La Verne (POC) — 17 km.