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 July 2026, Southwest Airlines was the only carrier flying nonstop HOU–SDF; the Boeing 737-700 was the most common aircraft at 85% of departures; flights ran 78% full.
Departures
62
July 2026
Seats
8,836
both directions
Passengers
6,887
both directions
Load factor
77.9%
RPM ÷ ASM
Who flies HOU–SDF?
Southwest Airlines was the only carrier to fly nonstop HOU–SDF in July 2026 (62 departures).
- WN
62 departures · 8,836 seats
Share of departures100.0%77.9%
Load
What plane flies HOU–SDF?
In July 2026, the Boeing 737-700 flew 85% of HOU–SDF departures — more than any other aircraft type.
- Boeing 737-700
53 departures · 77.8% load
85.5% - Boeing 737 MAX 8
8 departures · 79.4% load
12.9% - Boeing 737-800
1 departures · 69.7% load
1.6%
How has HOU–SDF traffic changed?
Nonstop HOU–SDF departures rose from 44 in August 2025 to 62 in July 2026.
Monthly nonstop HOU–SDF traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
June 2026
60 departures · 6,740 passengers
77.7%
Load
July 2026
62 departures · 6,887 passengers
77.9%
Load
By direction
Each direction is filed separately — they rarely match.
HOU → SDF
82.3% full
31 departures · 3,746 passengers
SDF → HOU
73.3% full
31 departures · 3,141 passengers
Nonstop HOU–SDF traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 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 July 2026, the Boeing 737-700 flew the largest share of departures (85.5%), followed by the Boeing 737 MAX 8 (12.9%).
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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