DEN to SDF: Distance and Flight Time
The distance from Denver International Airport (DEN) to Louisville Muhammad Ali International Airport (SDF) is 1,644 km (1,021 mi). A typical nonstop flight covers it in about 2h 35m, heading east. The distance is the same in either direction (SDF to DEN).
How far is it from Denver to Louisville?
The great-circle distance between Denver International Airport (DEN) and Louisville Muhammad Ali International Airport (SDF) is 1,644 km (1,021 mi, 888 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from DEN to SDF?
A nonstop flight typically takes about 2h 35m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. SDF is roughly east of DEN.
How is the DEN to SDF route written in code?
The pair is written DEN-SDF in IATA codes and KDEN-KSDF in ICAO codes, the form used on a flight plan. Denver International Airport is DEN (KDEN), Louisville Muhammad Ali International Airport is SDF (KSDF).
| DEN | SDF | |
|---|---|---|
| Airport | Denver International Airport | Louisville Muhammad Ali International Airport |
| ICAO code | KDEN | KSDF |
| Country | United States | United States |
| Elevation | 5,431 ft | 501 ft |
| Rank by connections | #15 | #363 |
Both ICAO codes start with K, the prefix ICAO assigns to the contiguous United States, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
SDF sits 4,930 ft (1,503 m) lower than DEN, which is a real difference in air density on takeoff.
Airlines flying DEN to SDF
1 airline appear on this route in the open route dataset, 1 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| WN | Southwest Airlines | SWA | Southwest | Active |
A further 1 carrier sell this pair as a codeshare without operating it: UA.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Denver from Louisville?
Denver International Airport (DEN) and Louisville Muhammad Ali International Airport (SDF) are 1,644 km (1,021 mi, 888 nautical miles) apart in a straight line.
How long is the flight from DEN to SDF?
A typical nonstop flight between DEN and SDF takes about 2h 35m. Actual times vary with aircraft type, winds and routing.
What direction is SDF from DEN?
Louisville Muhammad Ali International Airport (SDF) lies roughly east of Denver International Airport (DEN).
Which airlines fly DEN to SDF?
1 airline appear on the DEN-SDF route in the open dataset, including Southwest Airlines.
Related routes
Other routes from Denver (DEN):
Other routes from Louisville (SDF):
DEN airport code · SDF airport code · Busiest airports worldwide