American Airlines flight AA 6378: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 Chicago O'Hare (ORD) 3 08:34 Kansas City (MCI)
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:34 Effective 2025-09-03 through 2025-10-05
Daily 08:40 Chicago O'Hare (ORD) 3 10:18 Nashville (BNA)
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:38 Effective 2025-05-05 through 2025-05-23
Daily 08:40 Chicago O'Hare (ORD) 3 10:18 Nashville (BNA)
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:38 Effective 2025-05-26 through 2025-06-04
Daily 09:00 Los Angeles (LAX) 14:10 Oklahoma City (OKC)
AA 6378 Non-stop Embraer EMB 175 (E75) 3:10 Effective 2025-08-06 through 2025-09-02
Mon-Fri,Sun 09:03 Los Angeles (LAX) 14:05 Oklahoma City (OKC)
AA 6378 Non-stop Embraer EMB 175 (E75) 3:02 Effective 2025-07-06 through 2025-08-05
Daily 09:03 Los Angeles (LAX) 14:00 Oklahoma City (OKC)
AA 6378 Non-stop Embraer EMB 175 (E75) 2:57 Effective 2025-10-06 through 2025-10-25
Sat 09:05 Chicago O'Hare (ORD) 3 10:43 Nashville (BNA)
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:38 Operates only on 2025-05-24
Daily 09:21 Kansas City (MCI) 11:00 Chicago O'Hare (ORD) 3
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:39 Effective 2025-09-03 through 2025-10-05
Sat 10:08 Dallas Fort Worth (DFW) E 12:13 Nashville (BNA)
AA 6378 Non-stop Canadair CRJ 700 (CR7) 2:05 Effective 2025-06-07 through 2025-06-28
Sat 10:09 Dallas Fort Worth (DFW) E 12:14 Nashville (BNA)
AA 6378 Non-stop Canadair CRJ 700 (CR7) 2:05 Effective 2025-07-05 through 2025-08-02
Sun 11:15 Nashville (BNA) 13:08 Chicago O'Hare (ORD) 3
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:53 Operates only on 2025-05-11
Mon-Sat 11:22 Nashville (BNA) 13:15 Chicago O'Hare (ORD) 3
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:53 Effective 2025-05-05 through 2025-05-17
Mon-Fri,Sun 11:22 Nashville (BNA) 13:15 Chicago O'Hare (ORD) 3
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:53 Effective 2025-05-18 through 2025-05-23
Daily 11:22 Nashville (BNA) 13:15 Chicago O'Hare (ORD) 3
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:53 Effective 2025-05-26 through 2025-06-04
Sat 12:00 Nashville (BNA) 13:53 Chicago O'Hare (ORD) 3
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:53 Operates only on 2025-05-24
Sat 12:43 Nashville (BNA) 14:48 Dallas Fort Worth (DFW) E
AA 6378 Non-stop Canadair CRJ 700 (CR7) 2:05 Effective 2025-06-07 through 2025-06-28
Sat 12:44 Nashville (BNA) 14:50 Dallas Fort Worth (DFW) E
AA 6378 Non-stop Canadair CRJ 700 (CR7) 2:06 Effective 2025-07-05 through 2025-08-02
Daily 13:15 Phoenix Sky Harbor (PHX) 4 15:01 Salt Lake City (SLC)
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:46 Effective 2025-12-03 through 2025-12-17
Daily 13:15 Phoenix Sky Harbor (PHX) 4 14:58 Salt Lake City (SLC)
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:43 Effective 2025-12-18 through 2026-01-05
Daily 13:15 Phoenix Sky Harbor (PHX) 4 14:57 Salt Lake City (SLC)
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:42 Effective from 2026-02-12
Daily 14:30 Oklahoma City (OKC) 15:44 Los Angeles (LAX)
AA 6378 Non-stop Embraer EMB 175 (E75) 3:14 Effective 2025-10-06 through 2025-10-25
Mon-Fri,Sun 14:35 Oklahoma City (OKC) 15:43 Los Angeles (LAX)
AA 6378 Non-stop Embraer EMB 175 (E75) 3:08 Effective 2025-07-06 through 2025-08-05
Daily 14:40 Oklahoma City (OKC) 15:47 Los Angeles (LAX)
AA 6378 Non-stop Embraer EMB 175 (E75) 3:07 Effective 2025-08-06 through 2025-09-02
Daily 15:18 Salt Lake City (SLC) 17:10 Phoenix Sky Harbor (PHX) 4
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:52 Effective 2025-12-03 through 2025-12-17
Daily 15:20 Salt Lake City (SLC) 17:10 Phoenix Sky Harbor (PHX) 4
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:50 Effective 2025-12-18 through 2026-01-05
Daily 15:25 Salt Lake City (SLC) 17:10 Phoenix Sky Harbor (PHX) 4
AA 6378 Non-stop Canadair CRJ 700 (CR7) 1:45 Effective from 2026-02-12
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This flight number is listed as serving the following routes:


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American Airlines flight AA 6378: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA6378
07:00
Chicago O'Hare (ORD) 3

08:34
Kansas City (MCI)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:34, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
08:40
Chicago O'Hare (ORD) 3

10:18
Nashville (BNA)
Effective 2025-05-05 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
08:40
Chicago O'Hare (ORD) 3

10:18
Nashville (BNA)
Effective 2025-05-26 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
09:00
Los Angeles (LAX)

14:10
Oklahoma City (OKC)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Embraer EMB 175 (E75)
American Airlines AA6378
09:03
Los Angeles (LAX)

14:05
Oklahoma City (OKC)
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:02, non-stop
Embraer EMB 175 (E75)
American Airlines AA6378
09:03
Los Angeles (LAX)

14:00
Oklahoma City (OKC)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:57, non-stop
Embraer EMB 175 (E75)
American Airlines AA6378
09:05
Chicago O'Hare (ORD) 3

10:43
Nashville (BNA)
Operates only on 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:38, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
09:21
Kansas City (MCI)

11:00
Chicago O'Hare (ORD) 3
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
10:08
Dallas Fort Worth (DFW) E

12:13
Nashville (BNA)
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
10:09
Dallas Fort Worth (DFW) E

12:14
Nashville (BNA)
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
11:15
Nashville (BNA)

13:08
Chicago O'Hare (ORD) 3
Operates only on 2025-05-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:53, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
11:22
Nashville (BNA)

13:15
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-05-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:53, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
11:22
Nashville (BNA)

13:15
Chicago O'Hare (ORD) 3
Effective 2025-05-18 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:53, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
11:22
Nashville (BNA)

13:15
Chicago O'Hare (ORD) 3
Effective 2025-05-26 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
12:00
Nashville (BNA)

13:53
Chicago O'Hare (ORD) 3
Operates only on 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:53, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
12:43
Nashville (BNA)

14:48
Dallas Fort Worth (DFW) E
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
12:44
Nashville (BNA)

14:50
Dallas Fort Worth (DFW) E
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:06, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
13:15
Phoenix Sky Harbor (PHX) 4

15:01
Salt Lake City (SLC)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
13:15
Phoenix Sky Harbor (PHX) 4

14:58
Salt Lake City (SLC)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
13:15
Phoenix Sky Harbor (PHX) 4

14:57
Salt Lake City (SLC)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
14:30
Oklahoma City (OKC)

15:44
Los Angeles (LAX)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:14, non-stop
Embraer EMB 175 (E75)
American Airlines AA6378
14:35
Oklahoma City (OKC)

15:43
Los Angeles (LAX)
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:08, non-stop
Embraer EMB 175 (E75)
American Airlines AA6378
14:40
Oklahoma City (OKC)

15:47
Los Angeles (LAX)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:07, non-stop
Embraer EMB 175 (E75)
American Airlines AA6378
15:18
Salt Lake City (SLC)

17:10
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
15:20
Salt Lake City (SLC)

17:10
Phoenix Sky Harbor (PHX) 4
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA6378
15:25
Salt Lake City (SLC)

17:10
Phoenix Sky Harbor (PHX) 4
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Canadair CRJ 700 (CR7)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Nashville (BNA)
  • Dallas Fort Worth (DFW) - Nashville (BNA)
  • Kansas City (MCI) - Chicago O'Hare (ORD)
  • Oklahoma City (OKC) - Los Angeles (LAX)
  • Phoenix Sky Harbor (PHX) - Salt Lake City (SLC)
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