United Airlines flights from Louisville (SDF) to Houston George Bush (IAH).

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FLIGHT SCHEDULE
Direct Flights:
Sun 08:00 Louisville (SDF) 09:49 Houston George Bush (IAH) B United Airlines UA 4040 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2026-03-08 through 2026-03-22
Mon,Wed-Fri 09:15 Louisville (SDF) 11:04 Houston George Bush (IAH) B United Airlines UA 4040 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2026-03-05 through 2026-03-27
Mon-Wed,Fri-Sun 06:00 Louisville (SDF) 07:48 Houston George Bush (IAH) B United Airlines UA 6266 Non-stop Embraer EMB 175 (E7W) 2:48 Valid until 2026-01-07
Daily 06:00 Louisville (SDF) 07:48 Houston George Bush (IAH) B United Airlines UA 6266 Non-stop Embraer EMB 175 (E7W) 2:48 Effective 2026-01-08 through 2026-02-03
Daily 06:00 Louisville (SDF) 07:48 Houston George Bush (IAH) B United Airlines UA 6266 Non-stop Embraer EMB 175 (E7W) 2:48 Effective 2026-02-05 through 2026-03-28
Daily 06:00 Louisville (SDF) 07:39 Houston George Bush (IAH) B United Airlines UA 6266 Non-stop Embraer EMB 175 (E7W) 2:39 Effective 2026-03-29 through 2026-05-20
Daily 07:05 Louisville (SDF) 08:38 Houston George Bush (IAH) B United Airlines UA 6266 Non-stop Embraer EMB 175 (E7W) 2:33 Effective from 2026-05-21
Daily 15:25 Louisville (SDF) 17:13 Houston George Bush (IAH) B United Airlines UA 6310 Non-stop Embraer EMB 175 (E7W) 2:48 Valid until 2026-01-05
Daily 15:30 Louisville (SDF) 17:18 Houston George Bush (IAH) B United Airlines UA 6310 Non-stop Embraer EMB 175 (E7W) 2:48 Effective 2026-01-06 through 2026-02-11
Mon-Fri,Sun 15:30 Louisville (SDF) 17:09 Houston George Bush (IAH) B United Airlines UA 6310 Non-stop Embraer EMB 175 (E7W) 2:39 Effective 2026-02-12 through 2026-03-04
Mon,Wed-Sun 15:30 Louisville (SDF) 17:15 Houston George Bush (IAH) B United Airlines UA 6310 Non-stop Embraer EMB 175 (E7W) 2:45 Effective 2026-03-05 through 2026-03-28
Daily 15:30 Louisville (SDF) 17:10 Houston George Bush (IAH) B United Airlines UA 6310 Non-stop Embraer EMB 175 (E7W) 2:40 Effective 2026-03-29 through 2026-05-20
Daily 15:50 Louisville (SDF) 17:25 Houston George Bush (IAH) B United Airlines UA 6310 Non-stop Embraer EMB 175 (E7W) 2:35 Effective from 2026-05-21
Mon-Wed,Fri-Sun 09:05 Louisville (SDF) 11:00 Houston George Bush (IAH) B United Airlines UA 6326 Non-stop Embraer EMB 175 (E7W) 2:55 Valid until 2026-01-05
Mon-Fri,Sun 09:15 Louisville (SDF) 11:08 Houston George Bush (IAH) B United Airlines UA 6326 Non-stop Embraer EMB 175 (E7W) 2:53 Effective 2026-01-06 through 2026-01-16
Mon-Fri,Sun 09:15 Louisville (SDF) 11:08 Houston George Bush (IAH) B United Airlines UA 6326 Non-stop Embraer EMB 175 (E7W) 2:53 Effective 2026-01-19 through 2026-02-03
Mon-Fri,Sun 09:15 Louisville (SDF) 11:08 Houston George Bush (IAH) B United Airlines UA 6326 Non-stop Embraer EMB 175 (E7W) 2:53 Effective 2026-02-05 through 2026-02-11
Daily 09:15 Louisville (SDF) 11:02 Houston George Bush (IAH) B United Airlines UA 6326 Non-stop Embraer EMB 175 (E7W) 2:47 Effective 2026-02-12 through 2026-03-04
Daily 09:15 Louisville (SDF) 10:54 Houston George Bush (IAH) B United Airlines UA 6326 Non-stop Embraer EMB 175 (E7W) 2:39 Effective 2026-03-29 through 2026-05-20
Wed 09:20 Louisville (SDF) 11:08 Houston George Bush (IAH) B United Airlines UA 6326 Non-stop Embraer EMB 175 (E7W) 2:48 Operates only on 2026-02-04
Daily 09:32 Louisville (SDF) 11:08 Houston George Bush (IAH) B United Airlines UA 6326 Non-stop Embraer EMB 175 (E7W) 2:36 Effective from 2026-05-21
Tue 11:30 Louisville (SDF) 13:19 Houston George Bush (IAH) B United Airlines UA 6326 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2026-03-10 through 2026-03-24

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Parallax here SDF-IAH

A domestic route departing from the Louisville airport (SDF) and arriving at Houston George Bush airport (IAH).
The flight distance is 787 miles, or 1266 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . 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 2:33 and 2:55.

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United Airlines flights from Louisville (SDF) to Houston George Bush (IAH).

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FLIGHT SCHEDULE

Direct Flights:

United Airlines UA4040

08:00

Louisville (SDF)

09:49

Houston George Bush (IAH) B

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:49, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA4040

09:15

Louisville (SDF)

11:04

Houston George Bush (IAH) B

Effective 2026-03-05 through 2026-03-27

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:49, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6266

06:00

Louisville (SDF)

07:48

Houston George Bush (IAH) B

Valid until 2026-01-07

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Duration: 2:48, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6266

06:00

Louisville (SDF)

07:48

Houston George Bush (IAH) B

Effective 2026-01-08 through 2026-02-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:48, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6266

06:00

Louisville (SDF)

07:48

Houston George Bush (IAH) B

Effective 2026-02-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:48, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6266

06:00

Louisville (SDF)

07:39

Houston George Bush (IAH) B

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:39, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6266

07:05

Louisville (SDF)

08:38

Houston George Bush (IAH) B

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:33, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6310

15:25

Louisville (SDF)

17:13

Houston George Bush (IAH) B

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:48, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6310

15:30

Louisville (SDF)

17:18

Houston George Bush (IAH) B

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:48, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6310

15:30

Louisville (SDF)

17:09

Houston George Bush (IAH) B

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:39, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6310

15:30

Louisville (SDF)

17:15

Houston George Bush (IAH) B

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

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 2:45, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6310

15:30

Louisville (SDF)

17:10

Houston George Bush (IAH) B

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:40, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6310

15:50

Louisville (SDF)

17:25

Houston George Bush (IAH) B

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:35, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6326

09:05

Louisville (SDF)

11:00

Houston George Bush (IAH) B

Valid until 2026-01-05

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Duration: 2:55, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6326

09:15

Louisville (SDF)

11:08

Houston George Bush (IAH) B

Effective 2026-01-06 through 2026-01-16

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:53, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6326

09:15

Louisville (SDF)

11:08

Houston George Bush (IAH) B

Effective 2026-01-19 through 2026-02-03

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:53, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6326

09:15

Louisville (SDF)

11:08

Houston George Bush (IAH) B

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:53, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6326

09:15

Louisville (SDF)

11:02

Houston George Bush (IAH) B

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:47, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6326

09:15

Louisville (SDF)

10:54

Houston George Bush (IAH) B

Effective 2026-03-29 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:39, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6326

09:20

Louisville (SDF)

11:08

Houston George Bush (IAH) B

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:48, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6326

09:32

Louisville (SDF)

11:08

Houston George Bush (IAH) B

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:36, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA6326

11:30

Louisville (SDF)

13:19

Houston George Bush (IAH) B

Effective 2026-03-10 through 2026-03-24

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:49, non-stop
Embraer EMB 175 (E7W)

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Parallax here SDF-IAH

A domestic route departing from the Louisville airport (SDF) and arriving at Houston George Bush airport (IAH).
The flight distance is 787 miles, or 1266 km.
The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . 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 2:33 and 2:55.

All SDF-IAH flights

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