United Airlines flight UA 4231: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 15:11 Springfield (SGF) 17:20 George Bush, Houston (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:09 Effective 2024-11-02 through 2024-11-16
Tue 15:12 Springfield (SGF) 17:20 George Bush, Houston (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:08 Operates only on 2024-12-24
Daily 16:48 Springfield (SGF) 18:51 George Bush, Houston (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:03 Effective from 2025-01-07
Mon-Fri 16:50 Springfield (SGF) 18:54 George Bush, Houston (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:04 Valid until 2024-09-06
Mon-Fri,Sun 16:50 Springfield (SGF) 18:54 George Bush, Houston (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:04 Effective 2024-09-08 through 2024-09-25
Mon-Fri,Sun 16:55 Springfield (SGF) 18:59 George Bush, Houston (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:04 Effective 2024-09-26 through 2024-10-25
Mon,Wed-Sun 16:55 Springfield (SGF) 19:03 George Bush, Houston (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:08 Effective 2024-12-19 through 2024-12-30
Daily 16:55 Springfield (SGF) 19:03 George Bush, Houston (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:08 Effective 2024-12-31 through 2025-01-06
Mon,Wed-Sun 16:56 Springfield (SGF) 19:05 George Bush, Houston (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:09 Effective 2024-12-04 through 2024-12-18
Mon-Fri,Sun 16:59 Springfield (SGF) 19:08 George Bush, Houston (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:09 Effective 2024-10-27 through 2024-11-22
Mon-Wed,Fri-Sun 16:59 Springfield (SGF) 19:08 George Bush, Houston (IAH) B
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:09 Effective 2024-11-23 through 2024-12-02
Sat 17:30 Dulles, Washington (IAD) 18:56 Buffalo (BUF)
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2024-10-05 through 2024-10-19
Sat 17:30 Dulles, Washington (IAD) 18:41 Philadelphia (PHL) D
UA 4231 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:11 Operates only on 2024-10-26
This flight number is listed as serving the following routes:


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United Airlines flight UA 4231: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4231
15:11
Springfield (SGF)

17:20
George Bush, Houston (IAH) B
Effective 2024-11-02 through 2024-11-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:09, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
15:12
Springfield (SGF)

17:20
George Bush, Houston (IAH) B
Operates only on 2024-12-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:08, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
16:48
Springfield (SGF)

18:51
George Bush, Houston (IAH) B
Effective from 2025-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:03, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
16:50
Springfield (SGF)

18:54
George Bush, Houston (IAH) B
Valid until 2024-09-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:04, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
16:50
Springfield (SGF)

18:54
George Bush, Houston (IAH) B
Effective 2024-09-08 through 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:04, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
16:55
Springfield (SGF)

18:59
George Bush, Houston (IAH) B
Effective 2024-09-26 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:04, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
16:55
Springfield (SGF)

19:03
George Bush, Houston (IAH) B
Effective 2024-12-19 through 2024-12-30
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:08, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
16:55
Springfield (SGF)

19:03
George Bush, Houston (IAH) B
Effective 2024-12-31 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:08, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
16:56
Springfield (SGF)

19:05
George Bush, Houston (IAH) B
Effective 2024-12-04 through 2024-12-18
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:09, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
16:59
Springfield (SGF)

19:08
George Bush, Houston (IAH) B
Effective 2024-10-27 through 2024-11-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:09, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
16:59
Springfield (SGF)

19:08
George Bush, Houston (IAH) B
Effective 2024-11-23 through 2024-12-02
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 2:09, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
17:30
Dulles, Washington (IAD)

18:56
Buffalo (BUF)
Effective 2024-10-05 through 2024-10-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4231
17:30
Dulles, Washington (IAD)

18:41
Philadelphia (PHL) D
Operates only on 2024-10-26
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:
  • Dulles, Washington (IAD) - Buffalo (BUF)
  • Dulles, Washington (IAD) - Philadelphia (PHL)
  • Springfield (SGF) - George Bush, Houston (IAH)
All United Airlines flights
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