Philadelphia (PHL) to Louisville (SDF)
Flight time
≈ 1h 57m
Bearing
262° W
Philadelphia (PHL) to Louisville (SDF) is 575 miles (926 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies PHL–SDF
US DOT T-100 · filed dataIn April 2026, Republic Airways operated the most departures, one of 4 carriers flying nonstop PHL–SDF; the Embraer E175 was the most common aircraft at 44% of departures; flights ran 65% full.
Departures
135
April 2026
Seats
10,363
both directions
Passengers
6,717
both directions
Load factor
64.8%
passengers ÷ seats
Who flies PHL–SDF?
Republic Airways operated the most nonstop PHL–SDF departures in April 2026 (60), one of 4 carriers on the route.
- YX
Republic Airways
60 departures · 4,560 seats
Share of departures44.4%54.3%
Load
- OH
PSA Airlines
56 departures · 4,245 seats
Share of departures41.5%76.9%
Load
- PT
Piedmont Airlines
12 departures · 600 seats
Share of departures8.9%60.3%
Load
- AA
American Airlines
7 departures · 958 seats
Share of departures5.2%64.2%
Load
What plane flies PHL–SDF?
In April 2026, the Embraer E175 flew 44% of PHL–SDF departures — more than any other aircraft type.
- Embraer E175
60 departures · 54.3% load
44.4% - Bombardier CRJ-900
55 departures · 76.6% load
40.7% - Embraer ERJ-145
12 departures · 60.3% load
8.9% - Airbus A319
6 departures · 55.7% load
4.4% - Bombardier CRJ-700
1 departures · 100.0% load
0.7% - Airbus A321
1 departures · 98.4% load
0.7%
How has PHL–SDF traffic changed?
Nonstop PHL–SDF departures fell from 160 in May 2025 to 135 in April 2026.
Monthly nonstop PHL–SDF traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
160 departures · 8,986 passengers
78.3%
Load
June 2025
173 departures · 9,041 passengers
87.7%
Load
July 2025
171 departures · 9,148 passengers
80.7%
Load
August 2025
174 departures · 7,595 passengers
72.4%
Load
September 2025
194 departures · 10,177 passengers
79.3%
Load
October 2025
225 departures · 11,829 passengers
75.2%
Load
November 2025
133 departures · 4,987 passengers
70.7%
Load
December 2025
152 departures · 5,531 passengers
64.0%
Load
January 2026
116 departures · 4,105 passengers
58.1%
Load
February 2026
138 departures · 5,176 passengers
57.0%
Load
March 2026
184 departures · 8,100 passengers
65.8%
Load
April 2026
135 departures · 6,717 passengers
64.8%
Load
By direction
The DOT files each direction separately — they rarely match.
PHL → SDF
69.3% full
68 departures · 3,617 passengers
SDF → PHL
60.3% full
67 departures · 3,100 passengers
Nonstop PHL–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 Philadelphia (PHL) from Louisville (SDF)?
PHL to SDF is 575 miles (926 km / 500 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from PHL to SDF?
A nonstop covers the 575-mile great-circle distance in roughly 1h 57m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies PHL–SDF?
In April 2026, the Embraer E175 flew the largest share of departures (44.4%), followed by the Bombardier CRJ-900 (40.7%).
What mileage do I earn flying PHL–SDF?
Distance-based programs credit off the 575-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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