Detroit (DTW) to Louisville (SDF)
Flight time
≈ 1h 25m
Bearing
205° SW
Detroit (DTW) to Louisville (SDF) is 306 miles (493 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies DTW–SDF
US DOT T-100 · filed dataIn April 2026, SkyWest Airlines operated the most departures, one of 3 carriers flying nonstop DTW–SDF; the Bombardier CRJ-900 was the most common aircraft at 73% of departures; flights ran 70% full.
Departures
231
April 2026
Seats
16,768
both directions
Passengers
11,791
both directions
Load factor
70.3%
passengers ÷ seats
Who flies DTW–SDF?
SkyWest Airlines operated the most nonstop DTW–SDF departures in April 2026 (171), one of 3 carriers on the route.
- OO
SkyWest Airlines
171 departures · 12,174 seats
Share of departures74.0%71.7%
Load
- YX
Republic Airways
59 departures · 4,484 seats
Share of departures25.5%66.5%
Load
- DL
Delta Air Lines
1 departures · 110 seats
Share of departures0.4%70.9%
Load
What plane flies DTW–SDF?
In April 2026, the Bombardier CRJ-900 flew 73% of DTW–SDF departures — more than any other aircraft type.
- Bombardier CRJ-900
168 departures · 71.8% load
72.7% - Embraer E175
59 departures · 66.5% load
25.5% - Bombardier CRJ-550
3 departures · 62.7% load
1.3% - Boeing 717-200
1 departures · 70.9% load
0.4%
How has DTW–SDF traffic changed?
Nonstop DTW–SDF departures fell from 237 in May 2025 to 231 in April 2026.
Monthly nonstop DTW–SDF traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
237 departures · 13,403 passengers
73.9%
Load
June 2025
242 departures · 14,185 passengers
74.7%
Load
July 2025
248 departures · 13,918 passengers
71.2%
Load
August 2025
246 departures · 12,692 passengers
64.5%
Load
September 2025
215 departures · 12,686 passengers
81.2%
Load
October 2025
229 departures · 13,500 passengers
80.1%
Load
November 2025
210 departures · 9,605 passengers
63.7%
Load
December 2025
211 departures · 9,185 passengers
62.1%
Load
January 2026
169 departures · 7,548 passengers
57.7%
Load
February 2026
168 departures · 8,259 passengers
66.5%
Load
March 2026
223 departures · 11,872 passengers
72.0%
Load
April 2026
231 departures · 11,791 passengers
70.3%
Load
By direction
The DOT files each direction separately — they rarely match.
SDF → DTW
69.5% full
116 departures · 5,830 passengers
DTW → SDF
71.2% full
115 departures · 5,961 passengers
Nonstop DTW–SDF traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Louisville
US
Louisville Muhammad Ali International Airport
Coordinates
38.17°N, 85.74°W
Hemisphere
N · W
Frequently asked
How far is Detroit (DTW) from Louisville (SDF)?
DTW to SDF is 306 miles (493 km / 266 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DTW to SDF?
A nonstop covers the 306-mile great-circle distance in roughly 1h 25m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DTW–SDF?
In April 2026, the Bombardier CRJ-900 flew the largest share of departures (72.7%), followed by the Embraer E175 (25.5%).
What mileage do I earn flying DTW–SDF?
Distance-based programs credit off the 306-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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