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
Filed traffic dataIn May 2026, Republic Airways operated the most departures, one of 6 carriers flying nonstop ORD–SDF; the Embraer E175 was the most common aircraft at 60% of departures; flights ran 67% full.
Departures
760
May 2026
Seats
51,649
both directions
Passengers
34,494
both directions
Load factor
66.8%
RPM ÷ ASM
Who flies ORD–SDF?
Republic Airways operated the most nonstop ORD–SDF departures in May 2026 (402), one of 6 carriers on the route.
- YX
402 departures · 30,530 seats
Share of departures52.9%63.3%
Load
- OO
171 departures · 9,409 seats
Share of departures22.5%74.4%
Load
- G7
148 departures · 7,400 seats
Share of departures19.5%74.2%
Load
- MQ
22 departures · 1,672 seats
Share of departures2.9%78.6%
Load
- UA
9 departures · 1,614 seats
Share of departures1.2%50.0%
Load
- AA
8 departures · 1,024 seats
Share of departures1.1%54.1%
Load
What plane flies ORD–SDF?
In May 2026, the Embraer E175 flew 60% of ORD–SDF departures — more than any other aircraft type.
- Embraer E175
459 departures · 64.5% load
60.4% - Bombardier CRJ-550
251 departures · 76.6% load
33.0% - Bombardier CRJ-200
26 departures · 60.7% load
3.4% - Airbus A319
8 departures · 54.1% load
1.1% - Bombardier CRJ-700
7 departures · 72.8% load
0.9% - Boeing 737-800
4 departures · 55.9% load
0.5% - Boeing 737 MAX 9
2 departures · 41.3% load
0.3% - Boeing 737-900ER
2 departures · 51.7% load
0.3% - Boeing 757-300
1 departures · 44.0% load
0.1%
How has ORD–SDF traffic changed?
Nonstop ORD–SDF departures rose from 531 in June 2025 to 760 in May 2026.
Monthly nonstop ORD–SDF traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
760 departures · 34,494 passengers
66.8%
Load
By direction
Each direction is filed separately — they rarely match.
ORD → SDF
62.2% full
380 departures · 16,002 passengers
SDF → ORD
71.3% full
380 departures · 18,492 passengers
Nonstop ORD–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
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 May 2026, the Embraer E175 flew the largest share of departures (60.4%), followed by the Bombardier CRJ-550 (33.0%).
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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