United Airlines flight UA 378: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:30 Boston Logan (BOS) B 11:25 Chicago O'Hare (ORD) 1
UA 378 Non-stop Boeing 737 MAX 9 (7M9) 2:55 Effective from 2025-10-26
Daily 09:35 Boston Logan (BOS) B 11:26 Chicago O'Hare (ORD) 1
UA 378 Non-stop Airbus A321neo (32Q) 2:51 Effective 2025-05-22 through 2025-06-25
Daily 09:43 Boston Logan (BOS) B 11:33 Chicago O'Hare (ORD) 1
UA 378 Non-stop Boeing 737-900 (739) 2:50 Effective 2025-09-25 through 2025-10-25
Thu 09:54 Boston Logan (BOS) B 11:51 Chicago O'Hare (ORD) 1
UA 378 Non-stop Boeing 737-700 (73G) 2:57 Operates only on 2025-05-01
Mon-Fri,Sun 09:54 Boston Logan (BOS) B 11:51 Chicago O'Hare (ORD) 1
UA 378 Non-stop Boeing 737 MAX 8 (7M8) 2:57 Effective 2025-05-02 through 2025-05-21
Sat 09:58 Boston Logan (BOS) B 11:55 Chicago O'Hare (ORD) 1
UA 378 Non-stop Boeing 737 MAX 8 (7M8) 2:57 Effective 2025-05-03 through 2025-05-17
Daily 09:58 Boston Logan (BOS) B 11:45 Chicago O'Hare (ORD) 1
UA 378 Non-stop Boeing 737-800 (738) 2:47 Effective 2025-08-19 through 2025-09-24
Daily 13:55 Chicago O'Hare (ORD) 1 16:38 Los Angeles (LAX) 7
UA 378 Non-stop Airbus A321neo (32Q) 4:43 Valid until 2025-05-21
Thu 13:55 Chicago O'Hare (ORD) 1 16:22 Los Angeles (LAX) 7
UA 378 Non-stop Boeing 757-300 (753) 4:27 Operates only on 2025-05-22
Mon-Fri 13:55 Chicago O'Hare (ORD) 1 16:26 Los Angeles (LAX) 7
UA 378 Non-stop Airbus A321neo (32Q) 4:31 Effective 2025-05-23 through 2025-05-30
Mon-Fri,Sun 13:55 Chicago O'Hare (ORD) 1 16:26 Los Angeles (LAX) 7
UA 378 Non-stop Airbus A321neo (32Q) 4:31 Effective 2025-06-01 through 2025-08-18
Daily 14:10 Chicago O'Hare (ORD) 1 16:28 Los Angeles (LAX) 7
UA 378 Non-stop Airbus A321neo (32Q) 4:18 Effective from 2025-10-26
Daily 14:35 Chicago O'Hare (ORD) 1 17:03 Los Angeles (LAX) 7
UA 378 Non-stop Airbus A321neo (32Q) 4:28 Effective 2025-08-19 through 2025-10-25
Daily 19:18 Los Angeles (LAX) 7 22:47 Denver (DEN)
UA 378 Non-stop Airbus A321neo (32Q) 2:29 Effective 2025-06-26 through 2025-08-18
Daily 20:20 Los Angeles (LAX) 7 23:35 Denver (DEN)
UA 378 Non-stop Airbus A321neo (32Q) 2:15 Effective from 2025-10-26
Non-Direct Flights:
Daily 09:30 Boston Logan (BOS) B 16:28 Los Angeles (LAX) 7
UA 378 1-stop Boeing 737 MAX 9 (7M9) 9:58 Effective from 2025-10-26
Thu 09:35 Boston Logan (BOS) B 16:22 Los Angeles (LAX) 7
UA 378 1-stop Airbus A321neo (32Q) 9:47 Operates only on 2025-05-22
Mon-Fri 09:35 Boston Logan (BOS) B 16:26 Los Angeles (LAX) 7
UA 378 1-stop Airbus A321neo (32Q) 9:51 Effective 2025-05-23 through 2025-05-30
Mon-Fri,Sun 09:35 Boston Logan (BOS) B 16:26 Los Angeles (LAX) 7
UA 378 1-stop Airbus A321neo (32Q) 9:51 Effective 2025-06-01 through 2025-06-25
Daily 09:43 Boston Logan (BOS) B 17:03 Los Angeles (LAX) 7
UA 378 1-stop Boeing 737-900 (739) 10:20 Effective 2025-09-25 through 2025-10-25
Thu 09:54 Boston Logan (BOS) B 16:38 Los Angeles (LAX) 7
UA 378 1-stop Boeing 737-700 (73G) 9:44 Operates only on 2025-05-01
Mon-Fri,Sun 09:54 Boston Logan (BOS) B 16:38 Los Angeles (LAX) 7
UA 378 1-stop Boeing 737 MAX 8 (7M8) 9:44 Effective 2025-05-02 through 2025-05-21
Sat 09:58 Boston Logan (BOS) B 16:38 Los Angeles (LAX) 7
UA 378 1-stop Boeing 737 MAX 8 (7M8) 9:40 Effective 2025-05-03 through 2025-05-17
Daily 09:58 Boston Logan (BOS) B 17:03 Los Angeles (LAX) 7
UA 378 1-stop Boeing 737-800 (738) 10:05 Effective 2025-08-19 through 2025-09-24
Mon-Fri,Sun 13:55 Chicago O'Hare (ORD) 1 22:47 Denver (DEN)
UA 378 1-stop Airbus A321neo (32Q) 9:52 Effective 2025-06-26 through 2025-08-18
Daily 14:10 Chicago O'Hare (ORD) 1 23:35 Denver (DEN)
UA 378 1-stop Airbus A321neo (32Q) 10:25 Effective from 2025-10-26
Daily 09:30 Boston Logan (BOS) B 23:35 Denver (DEN)
UA 378 2-stop Boeing 737 MAX 9 (7M9) 16:05 Effective from 2025-10-26
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This flight number is listed as serving the following routes:


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United Airlines flight UA 378: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA378
09:30
Boston Logan (BOS) B

11:25
Chicago O'Hare (ORD) 1
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA378
09:35
Boston Logan (BOS) B

11:26
Chicago O'Hare (ORD) 1
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:51, non-stop
Airbus A321neo (32Q)
United Airlines UA378
09:43
Boston Logan (BOS) B

11:33
Chicago O'Hare (ORD) 1
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 737-900 (739)
United Airlines UA378
09:54
Boston Logan (BOS) B

11:51
Chicago O'Hare (ORD) 1
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:57, non-stop
Boeing 737-700 (73G)
United Airlines UA378
09:54
Boston Logan (BOS) B

11:51
Chicago O'Hare (ORD) 1
Effective 2025-05-02 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:57, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA378
09:58
Boston Logan (BOS) B

11:55
Chicago O'Hare (ORD) 1
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:57, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA378
09:58
Boston Logan (BOS) B

11:45
Chicago O'Hare (ORD) 1
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:47, non-stop
Boeing 737-800 (738)
United Airlines UA378
13:55
Chicago O'Hare (ORD) 1

16:38
Los Angeles (LAX) 7
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:43, non-stop
Airbus A321neo (32Q)
United Airlines UA378
13:55
Chicago O'Hare (ORD) 1

16:22
Los Angeles (LAX) 7
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:27, non-stop
Boeing 757-300 (753)
United Airlines UA378
13:55
Chicago O'Hare (ORD) 1

16:26
Los Angeles (LAX) 7
Effective 2025-05-23 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:31, non-stop
Airbus A321neo (32Q)
United Airlines UA378
13:55
Chicago O'Hare (ORD) 1

16:26
Los Angeles (LAX) 7
Effective 2025-06-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:31, non-stop
Airbus A321neo (32Q)
United Airlines UA378
14:10
Chicago O'Hare (ORD) 1

16:28
Los Angeles (LAX) 7
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:18, non-stop
Airbus A321neo (32Q)
United Airlines UA378
14:35
Chicago O'Hare (ORD) 1

17:03
Los Angeles (LAX) 7
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:28, non-stop
Airbus A321neo (32Q)
United Airlines UA378
19:18
Los Angeles (LAX) 7

22:47
Denver (DEN)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:29, non-stop
Airbus A321neo (32Q)
United Airlines UA378
20:20
Los Angeles (LAX) 7

23:35
Denver (DEN)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:15, non-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA378
09:30
Boston Logan (BOS) B

16:28
Los Angeles (LAX) 7
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:58, 1-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA378
09:35
Boston Logan (BOS) B

16:22
Los Angeles (LAX) 7
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 9:47, 1-stop
Airbus A321neo (32Q)
United Airlines UA378
09:35
Boston Logan (BOS) B

16:26
Los Angeles (LAX) 7
Effective 2025-05-23 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 9:51, 1-stop
Airbus A321neo (32Q)
United Airlines UA378
09:35
Boston Logan (BOS) B

16:26
Los Angeles (LAX) 7
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 9:51, 1-stop
Airbus A321neo (32Q)
United Airlines UA378
09:43
Boston Logan (BOS) B

17:03
Los Angeles (LAX) 7
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:20, 1-stop
Boeing 737-900 (739)
United Airlines UA378
09:54
Boston Logan (BOS) B

16:38
Los Angeles (LAX) 7
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 9:44, 1-stop
Boeing 737-700 (73G)
United Airlines UA378
09:54
Boston Logan (BOS) B

16:38
Los Angeles (LAX) 7
Effective 2025-05-02 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 9:44, 1-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA378
09:58
Boston Logan (BOS) B

16:38
Los Angeles (LAX) 7
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 9:40, 1-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA378
09:58
Boston Logan (BOS) B

17:03
Los Angeles (LAX) 7
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:05, 1-stop
Boeing 737-800 (738)
United Airlines UA378
13:55
Chicago O'Hare (ORD) 1

22:47
Denver (DEN)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 9:52, 1-stop
Airbus A321neo (32Q)
United Airlines UA378
14:10
Chicago O'Hare (ORD) 1

23:35
Denver (DEN)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:25, 1-stop
Airbus A321neo (32Q)
United Airlines UA378
09:30
Boston Logan (BOS) B

23:35
Denver (DEN)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 16:05, 2-stop
Boeing 737 MAX 9 (7M9)
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This flight number is listed as serving the following routes:
  • Boston Logan (BOS) - Chicago O'Hare (ORD)
  • Boston Logan (BOS) - Denver (DEN)
  • Boston Logan (BOS) - Los Angeles (LAX)
  • Chicago O'Hare (ORD) - Denver (DEN)
  • Chicago O'Hare (ORD) - Los Angeles (LAX)
  • Los Angeles (LAX) - Denver (DEN)
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