Houston (HOU) to Louisville (SDF)
Flight time
≈ 2h 24m
Bearing
40° NE
Houston (HOU) to Louisville (SDF) is 803 miles (1,292 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HOU–SDF
Filed traffic dataIn May 2026, Southwest Airlines was the only carrier flying nonstop HOU–SDF; the Boeing 737-700 was the most common aircraft at 67% of departures; flights ran 76% full.
Departures
64
May 2026
Seats
9,566
both directions
Passengers
7,294
both directions
Load factor
76.3%
RPM ÷ ASM
Who flies HOU–SDF?
Southwest Airlines was the only carrier to fly nonstop HOU–SDF in May 2026 (64 departures).
- WN
64 departures · 9,566 seats
Share of departures100.0%76.3%
Load
What plane flies HOU–SDF?
In May 2026, the Boeing 737-700 flew 67% of HOU–SDF departures — more than any other aircraft type.
- Boeing 737-700
43 departures · 83.3% load
67.2% - Boeing 737 MAX 8
13 departures · 68.2% load
20.3% - Boeing 737-800
8 departures · 59.9% load
12.5%
How has HOU–SDF traffic changed?
Nonstop HOU–SDF departures rose from 59 in June 2025 to 64 in May 2026.
Monthly nonstop HOU–SDF traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
59 departures · 6,960 passengers
79.2%
Load
July 2025
63 departures · 7,587 passengers
80.2%
Load
August 2025
44 departures · 4,722 passengers
67.2%
Load
September 2025
42 departures · 5,038 passengers
74.0%
Load
October 2025
58 departures · 6,927 passengers
74.1%
Load
November 2025
39 departures · 4,028 passengers
61.9%
Load
December 2025
35 departures · 3,707 passengers
65.1%
Load
January 2026
16 departures · 1,505 passengers
59.0%
Load
February 2026
36 departures · 3,030 passengers
53.6%
Load
March 2026
50 departures · 5,549 passengers
73.7%
Load
April 2026
59 departures · 6,663 passengers
75.7%
Load
May 2026
64 departures · 7,294 passengers
76.3%
Load
By direction
Each direction is filed separately — they rarely match.
HOU → SDF
71.9% full
32 departures · 3,561 passengers
SDF → HOU
80.9% full
32 departures · 3,733 passengers
Nonstop HOU–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 Houston (HOU) from Louisville (SDF)?
HOU to SDF is 803 miles (1,292 km / 698 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HOU to SDF?
A nonstop covers the 803-mile great-circle distance in roughly 2h 24m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HOU–SDF?
In May 2026, the Boeing 737-700 flew the largest share of departures (67.2%), followed by the Boeing 737 MAX 8 (20.3%).
What mileage do I earn flying HOU–SDF?
Distance-based programs credit off the 803-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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