Louisville (SDF) to San Francisco (SFO)
Flight time
≈ 4h 46m
Bearing
280° W
Louisville (SDF) to San Francisco (SFO) is 1,985 miles (3,194 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SDF–SFO
Filed traffic dataIn May 2026, Breeze Airways operated the most departures, one of 2 carriers flying nonstop SDF–SFO; the Airbus A220-300 was the most common aircraft at 88% of departures; flights ran 83% full.
Departures
16
May 2026
Seats
2,276
both directions
Passengers
1,891
both directions
Load factor
83.1%
RPM ÷ ASM
Who flies SDF–SFO?
Breeze Airways operated the most nonstop SDF–SFO departures in May 2026 (14), one of 2 carriers on the route.
- MX
14 departures · 1,918 seats
Share of departures87.5%88.4%
Load
- UA
2 departures · 358 seats
Share of departures12.5%54.5%
Load
What plane flies SDF–SFO?
In May 2026, the Airbus A220-300 flew 88% of SDF–SFO departures — more than any other aircraft type.
- Airbus A220-300
14 departures · 88.4% load
87.5% - Boeing 737 MAX 9
2 departures · 54.5% load
12.5%
How has SDF–SFO traffic changed?
Nonstop SDF–SFO departures fell from 18 in June 2025 to 16 in May 2026.
Monthly nonstop SDF–SFO traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
18 departures · 2,153 passengers
87.3%
Load
July 2025
17 departures · 2,048 passengers
87.9%
Load
August 2025
18 departures · 2,084 passengers
84.5%
Load
September 2025
18 departures · 2,029 passengers
82.3%
Load
October 2025
18 departures · 1,949 passengers
79.0%
Load
November 2025
16 departures · 1,722 passengers
78.6%
Load
December 2025
18 departures · 2,054 passengers
83.3%
Load
January 2026
4 departures · 495 passengers
90.3%
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
0 departures · 0 passengers
—
Load
April 2026
2 departures · 175 passengers
58.3%
Load
May 2026
16 departures · 1,891 passengers
83.1%
Load
By direction
Each direction is filed separately — they rarely match.
SDF → SFO
90.5% full
8 departures · 1,030 passengers
SFO → SDF
75.7% full
8 departures · 861 passengers
Nonstop SDF–SFO 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 Louisville (SDF) from San Francisco (SFO)?
SDF to SFO is 1,985 miles (3,194 km / 1,725 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SDF to SFO?
A nonstop covers the 1,985-mile great-circle distance in roughly 4h 46m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SDF–SFO?
In May 2026, the Airbus A220-300 flew the largest share of departures (87.5%), followed by the Boeing 737 MAX 9 (12.5%).
What mileage do I earn flying SDF–SFO?
Distance-based programs credit off the 1,985-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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