Louisville to Denver flights
Direct and connecting flights from Louisville International Standiford Field (SDF) to Denver International Airport (DEN) — airlines, aircraft types, and the safety record for this route.
Route FAQ
How long does the flight from Louisville to Denver take?
Flight time from Louisville (SDF) to Denver (DEN) 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 Denver?
Airline availability for SDF to DEN 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 Denver?
Direct (nonstop) availability on SDF to DEN 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 recorded and attributed to operators on this pair in the last 90 days.
- United Airlines5-yr attributed events: 58Last 90 days: none recorded
- UPS5-yr attributed events: 5Last 90 days: none recorded
- Frontier Airlines5-yr attributed events: 7Last 90 days: none recorded
| Carrier | Sightings / 90d | Safety events |
|---|---|---|
| United Airlines | 4 sightings | No recorded events |
| UPS | 2 sightings | No recorded events |
| Frontier Airlines | 2 sightings | No recorded events |
Planning SDF → DEN
SDF to DEN is a medium-haul route of 1,644 km (1,022 mi). See the return DEN → SDF route.
Alternative airports near Louisville: Louisville (LOU) — 9 km, Fort Knox (FTK) — 36 km, Frankfort (FFT) — 73 km.
Alternative airports near Denver: Buckley (BFK) — 19 km, Denver (APA) — 36 km, Broomfield-CO (BJC) — 38 km.