Baltimore (BWI) to Louisville (SDF)
Flight time
≈ 1h 47m
Bearing
265° W
Baltimore (BWI) to Louisville (SDF) is 494 miles (795 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BWI–SDF
Filed traffic dataIn May 2026, Southwest Airlines was the only carrier flying nonstop BWI–SDF; the Boeing 737-700 was the most common aircraft at 41% of departures; flights ran 66% full.
Departures
160
May 2026
Seats
25,530
both directions
Passengers
16,950
both directions
Load factor
66.4%
RPM ÷ ASM
Who flies BWI–SDF?
Southwest Airlines was the only carrier to fly nonstop BWI–SDF in May 2026 (160 departures).
- WN
160 departures · 25,530 seats
Share of departures100.0%66.4%
Load
What plane flies BWI–SDF?
In May 2026, the Boeing 737-700 flew 41% of BWI–SDF departures — more than any other aircraft type.
- Boeing 737-700
65 departures · 81.2% load
40.6% - Boeing 737 MAX 8
53 departures · 55.2% load
33.1% - Boeing 737-800
42 departures · 62.6% load
26.3%
How has BWI–SDF traffic changed?
Nonstop BWI–SDF departures fell from 161 in June 2025 to 160 in May 2026.
Monthly nonstop BWI–SDF traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
161 departures · 19,163 passengers
76.6%
Load
July 2025
151 departures · 16,115 passengers
68.7%
Load
August 2025
158 departures · 15,256 passengers
60.8%
Load
September 2025
154 departures · 18,445 passengers
74.7%
Load
October 2025
190 departures · 23,447 passengers
77.5%
Load
November 2025
140 departures · 12,670 passengers
59.3%
Load
December 2025
130 departures · 10,740 passengers
55.8%
Load
January 2026
118 departures · 7,651 passengers
40.9%
Load
February 2026
110 departures · 8,928 passengers
50.7%
Load
March 2026
125 departures · 10,801 passengers
54.7%
Load
April 2026
149 departures · 15,058 passengers
63.0%
Load
May 2026
160 departures · 16,950 passengers
66.4%
Load
By direction
Each direction is filed separately — they rarely match.
BWI → SDF
65.8% full
80 departures · 8,186 passengers
SDF → BWI
67.0% full
80 departures · 8,764 passengers
Nonstop BWI–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
Baltimore
US
Baltimore/Washington International Thurgood Marshall Airport
Coordinates
39.18°N, 76.67°W
Hemisphere
N · W
Louisville
US
Louisville Muhammad Ali International Airport
Coordinates
38.17°N, 85.74°W
Hemisphere
N · W
Frequently asked
How far is Baltimore (BWI) from Louisville (SDF)?
BWI to SDF is 494 miles (795 km / 429 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BWI to SDF?
A nonstop covers the 494-mile great-circle distance in roughly 1h 47m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BWI–SDF?
In May 2026, the Boeing 737-700 flew the largest share of departures (40.6%), followed by the Boeing 737 MAX 8 (33.1%).
What mileage do I earn flying BWI–SDF?
Distance-based programs credit off the 494-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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