United Airlines flight UA 4040: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 07:25 Houston George Bush (IAH) B 08:58 Dallas Fort Worth (DFW) E
UA 4040 Non-stop Embraer EMB 175 (E7W) 1:33 Effective 2026-03-07 through 2026-03-28
Tue 07:31 Houston George Bush (IAH) B 09:04 Dallas Fort Worth (DFW) E
UA 4040 Non-stop Embraer EMB 175 (E7W) 1:33 Effective 2026-03-10 through 2026-03-24
Sun 08:00 Louisville (SDF) 09:49 Houston George Bush (IAH) B
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
UA 4040 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2026-03-05 through 2026-03-27
Tue,Sat 10:43 Nashville (BNA) 13:20 Houston George Bush (IAH) B
UA 4040 Non-stop Embraer EMB 175 (E7W) 2:37 Effective 2026-01-10 through 2026-02-10
Wed 12:00 Houston George Bush (IAH) B 15:40 Charlotte (CLT)
UA 4040 Non-stop Embraer EMB 175 (E7W) 2:40 Effective 2026-02-18 through 2026-03-04
Wed,Sat,Sun 16:12 Austin (AUS) 17:25 Houston George Bush (IAH) B
UA 4040 Non-stop Embraer EMB 175 (E7W) 1:13 Valid until 2026-01-04
Daily 20:00 Philadelphia (PHL) D 21:08 Washington Dulles (IAD)
UA 4040 Non-stop Embraer EMB 175 (E7W) 1:08 Effective from 2026-05-21
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This flight number is listed as serving the following routes:


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United Airlines flight UA 4040: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4040
07:25
Houston George Bush (IAH) B

08:58
Dallas Fort Worth (DFW) E
Effective 2026-03-07 through 2026-03-28
Mon
-
Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 1:33, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4040
07:31
Houston George Bush (IAH) B

09:04
Dallas Fort Worth (DFW) E
Effective 2026-03-10 through 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
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Sun
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Duration: 1:33, non-stop
Embraer EMB 175 (E7W)
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
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Fri
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Sat
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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 UA4040
10:43
Nashville (BNA)

13:20
Houston George Bush (IAH) B
Effective 2026-01-10 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
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Fri
-
Sat
Sun
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Duration: 2:37, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4040
12:00
Houston George Bush (IAH) B

15:40
Charlotte (CLT)
Effective 2026-02-18 through 2026-03-04
Mon
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Duration: 2:40, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4040
16:12
Austin (AUS)

17:25
Houston George Bush (IAH) B
Valid until 2026-01-04
Mon
-
Tue
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Wed
Thu
-
Fri
-
Sat
Sun
Duration: 1:13, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4040
20:00
Philadelphia (PHL) D

21:08
Washington Dulles (IAD)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Houston George Bush (IAH)
  • Houston George Bush (IAH) - Charlotte (CLT)
  • Houston George Bush (IAH) - Dallas Fort Worth (DFW)
  • Louisville (SDF) - Houston George Bush (IAH)
  • Nashville (BNA) - Houston George Bush (IAH)
  • Philadelphia (PHL) - Washington Dulles (IAD)
All United Airlines flights
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