United Airlines flight UA 4237: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu-Sun 15:22 Little Rock (LIT) 17:10 Houston George Bush (IAH) B
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:48 Effective 2026-02-12 through 2026-03-02
Daily 15:30 Little Rock (LIT) 17:18 Houston George Bush (IAH) B
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:48 Effective 2026-01-06 through 2026-02-11
Daily 15:39 Little Rock (LIT) 17:22 Houston George Bush (IAH) B
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Valid until 2026-01-05
Daily 16:02 Shreveport (SHV) 17:23 Houston George Bush (IAH) B
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2026-04-30 through 2026-05-20
Daily 16:04 Shreveport (SHV) 17:25 Houston George Bush (IAH) B
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:21 Effective 2026-03-29 through 2026-04-29
Daily 16:10 Shreveport (SHV) 17:25 Houston George Bush (IAH) B
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:15 Effective 2026-03-05 through 2026-03-28
Daily 21:35 Houston George Bush (IAH) B 22:46 Baton Rouge (BTR)
UA 4237 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:11 Effective from 2026-05-21
This flight number is listed as serving the following routes:


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United Airlines flight UA 4237: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4237
15:22
Little Rock (LIT)

17:10
Houston George Bush (IAH) B
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4237
15:30
Little Rock (LIT)

17:18
Houston George Bush (IAH) B
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4237
15:39
Little Rock (LIT)

17:22
Houston George Bush (IAH) B
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4237
16:02
Shreveport (SHV)

17:23
Houston George Bush (IAH) B
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4237
16:04
Shreveport (SHV)

17:25
Houston George Bush (IAH) B
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:21, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4237
16:10
Shreveport (SHV)

17:25
Houston George Bush (IAH) B
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:15, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4237
21:35
Houston George Bush (IAH) B

22:46
Baton Rouge (BTR)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:11, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
This flight number is listed as serving the following routes:
  • Houston George Bush (IAH) - Baton Rouge (BTR)
  • Little Rock (LIT) - Houston George Bush (IAH)
  • Shreveport (SHV) - Houston George Bush (IAH)
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