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
Filed traffic dataIn May 2026, SkyWest Airlines operated the most departures, one of 4 carriers flying nonstop DTW–SDF; the Bombardier CRJ-900 was the most common aircraft at 72% of departures; flights ran 73% full.
Departures
238
May 2026
Seats
17,439
both directions
Passengers
12,722
both directions
Load factor
73.0%
RPM ÷ ASM
Who flies DTW–SDF?
SkyWest Airlines operated the most nonstop DTW–SDF departures in May 2026 (173), one of 4 carriers on the route.
- OO
173 departures · 12,460 seats
Share of departures72.7%74.5%
Load
- YX
62 departures · 4,705 seats
Share of departures26.1%70.0%
Load
- DL
2 departures · 264 seats
Share of departures0.8%54.5%
Load
- 13Q
Chartright Air
1 departures · 10 seats
Share of departures0.4%0.0%
Load
What plane flies DTW–SDF?
In May 2026, the Bombardier CRJ-900 flew 72% of DTW–SDF departures — more than any other aircraft type.
- Bombardier CRJ-900
171 departures · 74.6% load
71.9% - Embraer E175
62 departures · 70.0% load
26.1% - Bombardier CRJ-550
2 departures · 64.0% load
0.8% - Airbus A319
2 departures · 54.5% load
0.8% - Bombardier Challenger 604
1 departures · 0.0% load
0.4%
How has DTW–SDF traffic changed?
Nonstop DTW–SDF departures fell from 242 in June 2025 to 238 in May 2026.
Monthly nonstop DTW–SDF traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
238 departures · 12,722 passengers
73.0%
Load
By direction
Each direction is filed separately — they rarely match.
DTW → SDF
69.2% full
120 departures · 6,060 passengers
SDF → DTW
76.8% full
118 departures · 6,662 passengers
Nonstop DTW–SDF traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
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 May 2026, the Bombardier CRJ-900 flew the largest share of departures (71.9%), followed by the Embraer E175 (26.1%).
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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