United Airlines flight UA 4050: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 12:05 Houston George Bush (IAH) B 15:53 Key West (EYW)
UA 4050 Non-stop Embraer EMB 175 (E7W) 2:48 Effective 2026-02-14 through 2026-02-28
Daily 16:20 Houston George Bush (IAH) B 19:35 Louisville (SDF)
UA 4050 Non-stop Embraer EMB 175 (E7W) 2:15 Effective from 2026-05-21
Mon-Fri,Sun 16:35 Houston George Bush (IAH) B 19:54 Louisville (SDF)
UA 4050 Non-stop Embraer EMB 175 (E7W) 2:19 Effective 2026-01-06 through 2026-02-11
Mon-Fri,Sun 16:35 Houston George Bush (IAH) B 19:51 Louisville (SDF)
UA 4050 Non-stop Embraer EMB 175 (E7W) 2:16 Effective 2026-02-12 through 2026-03-06
Mon-Sat 16:35 Houston George Bush (IAH) B 19:51 Louisville (SDF)
UA 4050 Non-stop Embraer EMB 175 (E7W) 2:16 Effective 2026-03-07 through 2026-03-28
Daily 16:35 Houston George Bush (IAH) B 20:01 Louisville (SDF)
UA 4050 Non-stop Embraer EMB 175 (E7W) 2:26 Effective 2026-03-29 through 2026-05-20
Sat 16:37 Houston George Bush (IAH) B 19:56 Louisville (SDF)
UA 4050 Non-stop Embraer EMB 175 (E7W) 2:19 Effective 2026-01-10 through 2026-02-07
Mon-Wed,Fri-Sun 16:40 Houston George Bush (IAH) B 19:59 Louisville (SDF)
UA 4050 Non-stop Embraer EMB 175 (E7W) 2:19 Valid until 2026-01-05
Sun 17:15 Houston George Bush (IAH) B 20:31 Louisville (SDF)
UA 4050 Non-stop Embraer EMB 175 (E7W) 2:16 Effective 2026-03-08 through 2026-03-22
This flight number is listed as serving the following routes:


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United Airlines flight UA 4050: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4050
12:05
Houston George Bush (IAH) B

15:53
Key West (EYW)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:48, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4050
16:20
Houston George Bush (IAH) B

19:35
Louisville (SDF)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:15, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4050
16:35
Houston George Bush (IAH) B

19:54
Louisville (SDF)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:19, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4050
16:35
Houston George Bush (IAH) B

19:51
Louisville (SDF)
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:16, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4050
16:35
Houston George Bush (IAH) B

19:51
Louisville (SDF)
Effective 2026-03-07 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:16, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4050
16:35
Houston George Bush (IAH) B

20:01
Louisville (SDF)
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:26, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4050
16:37
Houston George Bush (IAH) B

19:56
Louisville (SDF)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:19, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4050
16:40
Houston George Bush (IAH) B

19:59
Louisville (SDF)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 2:19, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4050
17:15
Houston George Bush (IAH) B

20:31
Louisville (SDF)
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:16, non-stop
Embraer EMB 175 (E7W)
This flight number is listed as serving the following routes:
  • Houston George Bush (IAH) - Key West (EYW)
  • Houston George Bush (IAH) - Louisville (SDF)
All United Airlines flights
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