Chicago (ORD) to Louisville (SDF)
Flight time
≈ 1h 22m
Bearing
156° SE
Chicago (ORD) to Louisville (SDF) is 287 miles (462 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ORD–SDF
US DOT T-100 · filed dataIn April 2026, Republic Airways operated the most departures, one of 5 carriers flying nonstop ORD–SDF; the Embraer E175 was the most common aircraft at 78% of departures; flights ran 70% full.
Departures
605
April 2026
Seats
43,124
both directions
Passengers
30,200
both directions
Load factor
70.0%
passengers ÷ seats
Who flies ORD–SDF?
Republic Airways operated the most nonstop ORD–SDF departures in April 2026 (382), one of 5 carriers on the route.
- YX
Republic Airways
382 departures · 29,002 seats
Share of departures63.1%70.1%
Load
- OO
SkyWest Airlines
177 departures · 10,108 seats
Share of departures29.3%67.7%
Load
- MQ
Envoy Air
40 departures · 3,040 seats
Share of departures6.6%75.7%
Load
- UA
United Airlines
5 departures · 924 seats
Share of departures0.8%77.1%
Load
- G7
GoJet Airlines
1 departures · 50 seats
Share of departures0.2%34.0%
Load
What plane flies ORD–SDF?
In April 2026, the Embraer E175 flew 78% of ORD–SDF departures — more than any other aircraft type.
- Embraer E175
473 departures · 68.6% load
78.2% - Bombardier CRJ-550
112 departures · 79.3% load
18.5% - Bombardier CRJ-200
10 departures · 57.6% load
1.7% - Embraer E170
5 departures · 65.7% load
0.8% - Airbus A321neo
2 departures · 95.3% load
0.3% - Boeing 737-900ER
2 departures · 58.4% load
0.3% - Boeing 737-800
1 departures · 73.5% load
0.2%
How has ORD–SDF traffic changed?
Nonstop ORD–SDF departures rose from 519 in May 2025 to 605 in April 2026.
Monthly nonstop ORD–SDF traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
519 departures · 28,976 passengers
80.7%
Load
June 2025
531 departures · 31,387 passengers
86.9%
Load
July 2025
511 departures · 28,550 passengers
82.7%
Load
August 2025
554 departures · 26,502 passengers
73.0%
Load
September 2025
556 departures · 30,133 passengers
83.3%
Load
October 2025
585 departures · 31,608 passengers
80.4%
Load
November 2025
463 departures · 22,612 passengers
69.9%
Load
December 2025
518 departures · 24,636 passengers
70.5%
Load
January 2026
454 departures · 20,519 passengers
64.8%
Load
February 2026
425 departures · 22,245 passengers
75.4%
Load
March 2026
473 departures · 24,938 passengers
71.5%
Load
April 2026
605 departures · 30,200 passengers
70.0%
Load
By direction
The DOT files each direction separately — they rarely match.
SDF → ORD
67.9% full
307 departures · 14,964 passengers
ORD → SDF
72.3% full
298 departures · 15,236 passengers
Nonstop ORD–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 Chicago (ORD) from Louisville (SDF)?
ORD to SDF is 287 miles (462 km / 249 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ORD to SDF?
A nonstop covers the 287-mile great-circle distance in roughly 1h 22m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ORD–SDF?
In April 2026, the Embraer E175 flew the largest share of departures (78.2%), followed by the Bombardier CRJ-550 (18.5%).
What mileage do I earn flying ORD–SDF?
Distance-based programs credit off the 287-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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