United Airlines flights from Chicago O'Hare (ORD) to Louisville (SDF).

FLIGHT SCHEDULE
Direct Flights:
Daily 14:25 Chicago O'Hare (ORD) 2 16:49 Louisville (SDF) United Airlines UA 3534 Non-stop Embraer EMB 175 (E7W) 1:24 Effective from 2026-04-30
Daily 19:40 Chicago O'Hare (ORD) 2 22:13 Louisville (SDF) United Airlines UA 3551 Non-stop Embraer EMB 175 (E7W) 1:33 Effective 2026-02-12 through 2026-03-28
Daily 19:45 Chicago O'Hare (ORD) 2 22:09 Louisville (SDF) United Airlines UA 3551 Non-stop Embraer EMB 175 (E7W) 1:24 Effective from 2026-04-30
Daily 19:50 Chicago O'Hare (ORD) 2 22:26 Louisville (SDF) United Airlines UA 3551 Non-stop Embraer EMB 175 (E7W) 1:36 Effective 2026-03-29 through 2026-04-29
Daily 19:52 Chicago O'Hare (ORD) 2 22:30 Louisville (SDF) United Airlines UA 3551 Non-stop Embraer EMB 175 (E7W) 1:38 Valid until 2026-02-11
Daily 17:45 Chicago O'Hare (ORD) 2 20:09 Louisville (SDF) United Airlines UA 3598 Non-stop Embraer EMB 175 (E7W) 1:24 Effective 2026-02-12 through 2026-03-04
Daily 17:50 Chicago O'Hare (ORD) 2 20:28 Louisville (SDF) United Airlines UA 3598 Non-stop Embraer EMB 175 (E7W) 1:38 Effective 2026-01-06 through 2026-02-11
Daily 17:50 Chicago O'Hare (ORD) 2 20:14 Louisville (SDF) United Airlines UA 3598 Non-stop Embraer EMB 175 (E7W) 1:24 Effective 2026-03-05 through 2026-03-28
Daily 17:50 Chicago O'Hare (ORD) 2 20:21 Louisville (SDF) United Airlines UA 3598 Non-stop Embraer EMB 175 (E7W) 1:31 Effective 2026-03-29 through 2026-04-29
Daily 17:50 Chicago O'Hare (ORD) 2 20:14 Louisville (SDF) United Airlines UA 3598 Non-stop Embraer EMB 175 (E7W) 1:24 Effective from 2026-04-30
Daily 17:54 Chicago O'Hare (ORD) 2 20:32 Louisville (SDF) United Airlines UA 3598 Non-stop Embraer EMB 175 (E7W) 1:38 Valid until 2026-01-05
Daily 14:20 Chicago O'Hare (ORD) 2 16:46 Louisville (SDF) United Airlines UA 4392 Non-stop Canadair CRJ 550 (CR5) 1:26 Effective 2026-03-05 through 2026-03-28
Mon-Wed,Fri-Sun 07:25 Chicago O'Hare (ORD) 2 10:03 Louisville (SDF) United Airlines UA 4400 Non-stop Canadair CRJ 550 (CR5) 1:38 Valid until 2026-01-04
Mon-Fri,Sun 15:00 Chicago O'Hare (ORD) 2 17:37 Louisville (SDF) United Airlines UA 4469 Non-stop Canadair CRJ 550 (CR5) 1:37 Effective 2026-01-06 through 2026-02-08
Tue,Wed 15:00 Chicago O'Hare (ORD) 2 17:37 Louisville (SDF) United Airlines UA 4469 Non-stop Canadair CRJ 550 (CR5) 1:37 Effective 2026-02-10 through 2026-02-11
Mon,Tue,Thu-Sun 14:51 Chicago O'Hare (ORD) 2 17:28 Louisville (SDF) United Airlines UA 4494 Non-stop Canadair CRJ 550 (CR5) 1:37 Valid until 2026-01-05
Mon,Thu-Sun 07:45 Chicago O'Hare (ORD) 2 10:23 Louisville (SDF) United Airlines UA 4544 Non-stop Canadair CRJ 550 (CR5) 1:38 Effective 2026-01-08 through 2026-02-09
Daily 10:35 Chicago O'Hare (ORD) 2 13:13 Louisville (SDF) United Airlines UA 4559 Non-stop Canadair CRJ 550 (CR5) 1:38 Valid until 2026-01-05
Daily 10:40 Chicago O'Hare (ORD) 2 13:00 Louisville (SDF) United Airlines UA 4559 Non-stop Canadair CRJ 550 (CR5) 1:20 Effective from 2026-04-30
Daily 07:25 Chicago O'Hare (ORD) 2 09:45 Louisville (SDF) United Airlines UA 4608 Non-stop Canadair CRJ 550 (CR5) 1:20 Effective from 2026-05-21
Mon 15:00 Chicago O'Hare (ORD) 2 17:37 Louisville (SDF) United Airlines UA 4734 Non-stop Canadair CRJ 550 (CR5) 1:37 Operates only on 2026-02-09
Daily 14:53 Chicago O'Hare (ORD) 2 17:19 Louisville (SDF) United Airlines UA 5230 Non-stop Canadair CRJ 550 (CR5) 1:26 Effective 2026-02-12 through 2026-03-04
Mon-Sat 10:43 Chicago O'Hare (ORD) 2 13:17 Louisville (SDF) United Airlines UA 5273 Non-stop Embraer EMB 175 (E7W) 1:34 Effective 2026-03-05 through 2026-03-28
Sun 10:43 Chicago O'Hare (ORD) 2 13:16 Louisville (SDF) United Airlines UA 5273 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-03-08 through 2026-03-22
Mon 10:45 Chicago O'Hare (ORD) 2 13:24 Louisville (SDF) United Airlines UA 5280 Non-stop Embraer EMB 175 (E7W) 1:39 Operates only on 2026-02-09
Daily 10:50 Chicago O'Hare (ORD) 2 13:23 Louisville (SDF) United Airlines UA 5525 Non-stop Canadair CRJ 550 (CR5) 1:33 Effective 2026-02-12 through 2026-03-04
Mon-Fri,Sun 10:45 Chicago O'Hare (ORD) 2 13:24 Louisville (SDF) United Airlines UA 5607 Non-stop Embraer EMB 175 (E7W) 1:39 Effective 2026-01-06 through 2026-02-02
Tue-Fri,Sun 10:45 Chicago O'Hare (ORD) 2 13:24 Louisville (SDF) United Airlines UA 5607 Non-stop Embraer EMB 175 (E7W) 1:39 Effective 2026-02-05 through 2026-02-11
Sat 10:50 Chicago O'Hare (ORD) 2 13:28 Louisville (SDF) United Airlines UA 5607 Non-stop Canadair CRJ 550 (CR5) 1:38 Effective 2026-01-10 through 2026-01-31
Tue,Sat 10:50 Chicago O'Hare (ORD) 2 13:28 Louisville (SDF) United Airlines UA 5607 Non-stop Canadair CRJ 550 (CR5) 1:38 Effective 2026-02-03 through 2026-02-07
Daily 10:43 Chicago O'Hare (ORD) 2 13:15 Louisville (SDF) United Airlines UA 5671 Non-stop Canadair CRJ 550 (CR5) 1:32 Effective 2026-03-29 through 2026-04-29
Mon 07:25 Chicago O'Hare (ORD) 2 10:03 Louisville (SDF) United Airlines UA 5699 Non-stop Canadair CRJ 550 (CR5) 1:38 Operates only on 2026-01-05
Daily 14:20 Chicago O'Hare (ORD) 2 16:51 Louisville (SDF) United Airlines UA 5724 Non-stop Embraer EMB 175 (E7W) 1:31 Effective 2026-03-29 through 2026-04-29

A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Louisville airport (SDF).
The flight distance is 287 miles, or 461 km.
The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 1:20 and 1:39.

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FLIGHT SCHEDULE

Direct Flights:

United Airlines UA3534

14:25

Chicago O'Hare (ORD) 2

16:49

Louisville (SDF)

Effective from 2026-04-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:24, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA3551

19:40

Chicago O'Hare (ORD) 2

22:13

Louisville (SDF)

Effective 2026-02-12 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:33, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA3551

19:45

Chicago O'Hare (ORD) 2

22:09

Louisville (SDF)

Effective from 2026-04-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:24, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA3551

19:50

Chicago O'Hare (ORD) 2

22:26

Louisville (SDF)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:36, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA3551

19:52

Chicago O'Hare (ORD) 2

22:30

Louisville (SDF)

Valid until 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:38, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA3598

17:45

Chicago O'Hare (ORD) 2

20:09

Louisville (SDF)

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:24, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA3598

17:50

Chicago O'Hare (ORD) 2

20:28

Louisville (SDF)

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:38, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA3598

17:50

Chicago O'Hare (ORD) 2

20:14

Louisville (SDF)

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:24, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA3598

17:50

Chicago O'Hare (ORD) 2

20:21

Louisville (SDF)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:31, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA3598

17:50

Chicago O'Hare (ORD) 2

20:14

Louisville (SDF)

Effective from 2026-04-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:24, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA3598

17:54

Chicago O'Hare (ORD) 2

20:32

Louisville (SDF)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:38, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA4392

14:20

Chicago O'Hare (ORD) 2

16:46

Louisville (SDF)

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:26, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4400

07:25

Chicago O'Hare (ORD) 2

10:03

Louisville (SDF)

Valid until 2026-01-04

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Duration: 1:38, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4469

15:00

Chicago O'Hare (ORD) 2

17:37

Louisville (SDF)

Effective 2026-01-06 through 2026-02-08

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:37, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4469

15:00

Chicago O'Hare (ORD) 2

17:37

Louisville (SDF)

Effective 2026-02-10 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:37, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4494

14:51

Chicago O'Hare (ORD) 2

17:28

Louisville (SDF)

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 1:37, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4544

07:45

Chicago O'Hare (ORD) 2

10:23

Louisville (SDF)

Effective 2026-01-08 through 2026-02-09

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 1:38, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4559

10:35

Chicago O'Hare (ORD) 2

13:13

Louisville (SDF)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:38, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4559

10:40

Chicago O'Hare (ORD) 2

13:00

Louisville (SDF)

Effective from 2026-04-30

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:20, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4608

07:25

Chicago O'Hare (ORD) 2

09:45

Louisville (SDF)

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:20, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA4734

15:00

Chicago O'Hare (ORD) 2

17:37

Louisville (SDF)

Operates only on 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:37, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5230

14:53

Chicago O'Hare (ORD) 2

17:19

Louisville (SDF)

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:26, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5273

10:43

Chicago O'Hare (ORD) 2

13:17

Louisville (SDF)

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 1:34, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA5273

10:43

Chicago O'Hare (ORD) 2

13:16

Louisville (SDF)

Effective 2026-03-08 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5280

10:45

Chicago O'Hare (ORD) 2

13:24

Louisville (SDF)

Operates only on 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:39, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA5525

10:50

Chicago O'Hare (ORD) 2

13:23

Louisville (SDF)

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:33, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5607

10:45

Chicago O'Hare (ORD) 2

13:24

Louisville (SDF)

Effective 2026-01-06 through 2026-02-02

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:39, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA5607

10:45

Chicago O'Hare (ORD) 2

13:24

Louisville (SDF)

Effective 2026-02-05 through 2026-02-11

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:39, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA5607

10:50

Chicago O'Hare (ORD) 2

13:28

Louisville (SDF)

Effective 2026-01-10 through 2026-01-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:38, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5607

10:50

Chicago O'Hare (ORD) 2

13:28

Louisville (SDF)

Effective 2026-02-03 through 2026-02-07

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:38, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5671

10:43

Chicago O'Hare (ORD) 2

13:15

Louisville (SDF)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:32, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5699

07:25

Chicago O'Hare (ORD) 2

10:03

Louisville (SDF)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:38, non-stop
Canadair CRJ 550 (CR5)

Direct Flights:

United Airlines UA5724

14:20

Chicago O'Hare (ORD) 2

16:51

Louisville (SDF)

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:31, non-stop
Embraer EMB 175 (E7W)

A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Louisville airport (SDF).
The flight distance is 287 miles, or 461 km.
The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 1:20 and 1:39.

All ORD-SDF flights

All United Airlines flights

Return (SDF-ORD) flights

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