Chicago O'Hare International ⇄ Louisville Muhammad Ali International ORD–SDF
Airlines flew 8,395 flights between Chicago O'Hare International ORD in Chicago, IL and Louisville Muhammad Ali International SDF in Louisville, KY in the twelve months to July 2026, both directions together: 326,666 passengers in 441,305 seats, 74% of them filled, and 102,466,864 pounds of freight. 286 miles, about 50 minutes in the air, on 14 airlines: Republic Airline (3,471), United Parcel Service (1,656), SkyWest Airlines Inc. (1,273), GoJet Airlines LLC d/b/a United Express (1,013) and 10 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 533 |
| 2/25 | 510 |
| 3/25 | 560 |
| 4/25 | 643 |
| 5/25 | 674 |
| 6/25 | 675 |
| 7/25 | 664 |
| 8/25 | 708 |
| 9/25 | 693 |
| 10/25 | 746 |
| 11/25 | 611 |
| 12/25 | 693 |
| 1/26 | 638 |
| 2/26 | 581 |
| 3/26 | 648 |
| 4/26 | 777 |
| 5/26 | 929 |
| 6/26 | 673 |
| 7/26 | 698 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 18,275 |
| 2/25 | 19,091 |
| 3/25 | 21,506 |
| 4/25 | 25,905 |
| 5/25 | 28,976 |
| 6/25 | 31,387 |
| 7/25 | 28,550 |
| 8/25 | 26,502 |
| 9/25 | 30,133 |
| 10/25 | 31,608 |
| 11/25 | 22,612 |
| 12/25 | 24,636 |
| 1/26 | 20,519 |
| 2/26 | 22,245 |
| 3/26 | 24,938 |
| 4/26 | 30,200 |
| 5/26 | 34,494 |
| 6/26 | 28,021 |
| 7/26 | 30,758 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Republic Airline YX | 3,471 | 187,869 | 71% | scheduled passenger service |
| United Parcel Service 5X | 1,656 | 0 | scheduled cargo service | |
| SkyWest Airlines Inc. OO | 1,273 | 58,858 | 78% | scheduled passenger service |
| GoJet Airlines LLC d/b/a United Express G7 | 1,013 | 40,401 | 80% | scheduled passenger service |
| Envoy Air MQ | 656 | 35,129 | 78% | scheduled passenger service |
| Amerijet International M6 | 170 | 0 | scheduled cargo service | |
| ABX Air Inc ABX | 106 | 0 | scheduled cargo service | |
| United Air Lines Inc. UA | 21 | 2,376 | 63% | scheduled passenger service |
| American Airlines Inc. AA | 17 | 1,820 | 72% | scheduled passenger service |
| Atlas Air Inc. 5Y | 8 | 0 | 0% | charter cargo service |
| Global Crossing Airlines, Inc. GCA | 1 | 0 | 0% | charter passenger service |
| Kalitta Air LLC KAQ | 1 | 0 | charter cargo service | |
| Spirit Air Lines NK | 1 | 149 | 85% | scheduled passenger service |
| PSA Airlines Inc. OH | 1 | 64 | 98% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 4,161 | 76 | 226,709 |
| Bombardier CRJ550 | 1,638 | 50 | 66,934 |
| Boeing 767-300/300ER | 881 | 0 | 0 |
| Airbus Industrie A300-600/R/CF/RCF | 700 | 0 | 0 |
| Embraer-Emb-170 | 447 | 65 | 22,983 |
| Boeing 757-200 | 170 | 0 | 0 |
| Canadair RJ-200ER /RJ-440 | 152 | 50 | 4,878 |
| McDonnell Douglas MD-11 | 97 | 0 | 0 |
| Boeing 747-400 | 32 | 0 | 0 |
| Boeing B747-8 | 32 | 0 | 0 |
| Boeing 767-200/ER/EM | 28 | 0 | 0 |
| Canadair RJ-700 | 16 | 65 | 817 |
| Airbus Industrie A319 | 11 | 128 | 866 |
| Boeing 737-800 | 10 | 168 | 1,164 |
| Airbus Industrie A321-200n | 6 | 199 | 1,085 |
| Boeing 737-900ER | 4 | 179 | 394 |
| Airbus Industrie A320-100/200 | 3 | 159 | 250 |
| Boeing B737 Max 900 | 3 | 179 | 208 |
| Boeing B777-F | 1 | 0 | 0 |
| Boeing 757-300 | 1 | 234 | 103 |
| Airbus Industrie A321Neoxlr | 1 | 190 | 147 |
| Boeing B737 Max 800 | 1 | 172 | 128 |
ORD → SDF this direction alone · flown January 2025 to July 2026
4,262 flights of 4,356 scheduled, 162,039 passengers in 217,732 seats, 47,408,618 pounds of freight, 18,629,213 pounds of mail. Republic Airline 1,718; United Parcel Service 919; SkyWest Airlines Inc. 638; GoJet Airlines LLC d/b/a United Express 508; Envoy Air 328; Amerijet International 85; ABX Air Inc 53; United Air Lines Inc. 5; American Airlines Inc. 4; Atlas Air Inc. 2; Global Crossing Airlines, Inc. 1; Kalitta Air LLC 1.
SDF → ORD this direction alone · flown January 2025 to July 2026
4,133 flights of 4,193 scheduled, 164,627 passengers in 223,573 seats, 55,058,246 pounds of freight, 13,430,501 pounds of mail. Republic Airline 1,753; United Parcel Service 737; SkyWest Airlines Inc. 635; GoJet Airlines LLC d/b/a United Express 505; Envoy Air 328; Amerijet International 85; ABX Air Inc 53; United Air Lines Inc. 16; American Airlines Inc. 13; Atlas Air Inc. 6; Spirit Air Lines 1; PSA Airlines Inc. 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Chicago O'Hare International ORD and Louisville Muhammad Ali International SDF; all routes.