Newark (EWR) to Louisville (SDF)
Flight time
≈ 2h 05m
Bearing
258° W
Newark (EWR) to Louisville (SDF) is 641 miles (1,031 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies EWR–SDF
Filed traffic dataIn June 2026, Republic Airways was the only carrier flying nonstop EWR–SDF; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 81% full.
Departures
178
June 2026
Seats
13,528
both directions
Passengers
10,947
both directions
Load factor
80.9%
RPM ÷ ASM
Who flies EWR–SDF?
Republic Airways was the only carrier to fly nonstop EWR–SDF in June 2026 (178 departures).
- YX
178 departures · 13,528 seats
Share of departures100.0%80.9%
Load
What plane flies EWR–SDF?
In June 2026, the Embraer E175 flew 100% of EWR–SDF departures.
- Embraer E175
178 departures · 80.9% load
100.0%
How has EWR–SDF traffic changed?
Nonstop EWR–SDF departures rose from 136 in July 2025 to 178 in June 2026.
Monthly nonstop EWR–SDF traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
136 departures · 9,413 passengers
76.5%
Load
August 2025
128 departures · 7,804 passengers
73.6%
Load
September 2025
124 departures · 8,307 passengers
88.3%
Load
October 2025
184 departures · 11,721 passengers
83.8%
Load
November 2025
158 departures · 9,472 passengers
78.9%
Load
December 2025
142 departures · 9,054 passengers
83.3%
Load
January 2026
158 departures · 7,094 passengers
59.1%
Load
February 2026
150 departures · 7,343 passengers
65.3%
Load
March 2026
172 departures · 9,518 passengers
73.2%
Load
April 2026
182 departures · 10,225 passengers
74.0%
Load
May 2026
184 departures · 10,788 passengers
76.0%
Load
June 2026
178 departures · 10,947 passengers
80.9%
Load
By direction
Each direction is filed separately — they rarely match.
SDF → EWR
81.1% full
90 departures · 5,547 passengers
EWR → SDF
80.7% full
88 departures · 5,400 passengers
Nonstop EWR–SDF traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 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 Newark (EWR) from Louisville (SDF)?
EWR to SDF is 641 miles (1,031 km / 557 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from EWR to SDF?
A nonstop covers the 641-mile great-circle distance in roughly 2h 05m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies EWR–SDF?
In June 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying EWR–SDF?
Distance-based programs credit off the 641-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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