United Airlines flight UA 4378: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Wed,Sat,Sun 10:36 Hartford (BDL) 12:15 Washington Dulles (IAD)
UA 4378 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:39 Valid until 2026-01-04
Mon,Thu 10:46 Norfolk (ORF) 11:55 Washington Dulles (IAD)
UA 4378 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:09 Valid until 2026-01-05
Daily 19:50 Houston George Bush (IAH) B 21:12 Little Rock (LIT)
UA 4378 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:22 Effective from 2026-05-21
Daily 20:25 Houston George Bush (IAH) B 21:59 Little Rock (LIT)
UA 4378 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:34 Effective 2026-02-12 through 2026-03-04
Daily 20:26 Houston George Bush (IAH) B 22:01 Little Rock (LIT)
UA 4378 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:35 Effective 2026-04-30 through 2026-05-20
Daily 20:28 Houston George Bush (IAH) B 21:59 Little Rock (LIT)
UA 4378 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:31 Effective 2026-01-06 through 2026-02-11
This flight number is listed as serving the following routes:


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United Airlines flight UA 4378: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4378
10:36
Hartford (BDL)

12:15
Washington Dulles (IAD)
Valid until 2026-01-04
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 1:39, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4378
10:46
Norfolk (ORF)

11:55
Washington Dulles (IAD)
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:09, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4378
19:50
Houston George Bush (IAH) B

21:12
Little Rock (LIT)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4378
20:25
Houston George Bush (IAH) B

21:59
Little Rock (LIT)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:34, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4378
20:26
Houston George Bush (IAH) B

22:01
Little Rock (LIT)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4378
20:28
Houston George Bush (IAH) B

21:59
Little Rock (LIT)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:31, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
This flight number is listed as serving the following routes:
  • Hartford (BDL) - Washington Dulles (IAD)
  • Houston George Bush (IAH) - Little Rock (LIT)
  • Norfolk (ORF) - Washington Dulles (IAD)
All United Airlines flights
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