American Airlines flight AA 5243: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 05:28 Buffalo (BUF) 06:59 Ronald Reagan Washington (DCA) 2
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:31 Effective 2026-01-06 through 2026-02-11
Daily 05:30 Buffalo (BUF) 06:59 Ronald Reagan Washington (DCA) 2
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2025-12-03 through 2025-12-17
Sun 05:31 Buffalo (BUF) 06:54 Ronald Reagan Washington (DCA) 2
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:23 Effective 2025-06-08 through 2025-06-29
Daily 05:32 Buffalo (BUF) 07:00 Ronald Reagan Washington (DCA) 2
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:28 Effective 2025-12-18 through 2026-01-05
Daily 05:35 Buffalo (BUF) 06:59 Ronald Reagan Washington (DCA) 2
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:24 Effective 2025-11-02 through 2025-12-02
Sat,Sun 05:36 Buffalo (BUF) 07:00 Ronald Reagan Washington (DCA) 2
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:24 Effective 2025-07-05 through 2025-08-03
Daily 05:36 Buffalo (BUF) 06:56 Ronald Reagan Washington (DCA) 2
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:20 Effective 2025-08-06 through 2025-09-02
Daily 05:36 Buffalo (BUF) 06:59 Ronald Reagan Washington (DCA) 2
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:23 Effective 2025-10-06 through 2025-11-01
Sat 05:37 Buffalo (BUF) 07:00 Ronald Reagan Washington (DCA) 2
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:23 Effective 2025-06-07 through 2025-06-28
Daily 05:37 Buffalo (BUF) 06:59 Ronald Reagan Washington (DCA) 2
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:22 Effective from 2026-02-12
Daily 05:40 Buffalo (BUF) 06:59 Ronald Reagan Washington (DCA) 2
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:19 Effective 2025-09-03 through 2025-10-05
Mon-Fri,Sun 13:27 Charlotte (CLT) 14:46 Chattanooga (CHA)
AA 5243 Non-stop Canadair CRJ 900 (CR9) 1:19 Effective 2025-05-05 through 2025-06-04
Mon-Fri,Sun 15:16 Chattanooga (CHA) 16:42 Charlotte (CLT)
AA 5243 Non-stop Canadair CRJ 900 (CR9) 1:26 Effective 2025-05-05 through 2025-06-04
Sat 21:00 Ronald Reagan Washington (DCA) 2 22:13 Buffalo (BUF)
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:13 Valid until 2025-05-03
Mon-Fri,Sun 22:02 Ronald Reagan Washington (DCA) 2 23:26 Buffalo (BUF)
AA 5243 Non-stop Canadair CRJ 700 (CR7) 1:24 Valid until 2025-05-04
This flight number is listed as serving the following routes:


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American Airlines flight AA 5243: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA5243
05:28
Buffalo (BUF)

06:59
Ronald Reagan Washington (DCA) 2
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:31, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
05:30
Buffalo (BUF)

06:59
Ronald Reagan Washington (DCA) 2
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
05:31
Buffalo (BUF)

06:54
Ronald Reagan Washington (DCA) 2
Effective 2025-06-08 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:23, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
05:32
Buffalo (BUF)

07:00
Ronald Reagan Washington (DCA) 2
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:28, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
05:35
Buffalo (BUF)

06:59
Ronald Reagan Washington (DCA) 2
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:24, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
05:36
Buffalo (BUF)

07:00
Ronald Reagan Washington (DCA) 2
Effective 2025-07-05 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:24, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
05:36
Buffalo (BUF)

06:56
Ronald Reagan Washington (DCA) 2
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:20, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
05:36
Buffalo (BUF)

06:59
Ronald Reagan Washington (DCA) 2
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
05:37
Buffalo (BUF)

07:00
Ronald Reagan Washington (DCA) 2
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:23, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
05:37
Buffalo (BUF)

06:59
Ronald Reagan Washington (DCA) 2
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
05:40
Buffalo (BUF)

06:59
Ronald Reagan Washington (DCA) 2
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
13:27
Charlotte (CLT)

14:46
Chattanooga (CHA)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:19, non-stop
Canadair CRJ 900 (CR9)
American Airlines AA5243
15:16
Chattanooga (CHA)

16:42
Charlotte (CLT)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:26, non-stop
Canadair CRJ 900 (CR9)
American Airlines AA5243
21:00
Ronald Reagan Washington (DCA) 2

22:13
Buffalo (BUF)
Valid until 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:13, non-stop
Canadair CRJ 700 (CR7)
American Airlines AA5243
22:02
Ronald Reagan Washington (DCA) 2

23:26
Buffalo (BUF)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:24, non-stop
Canadair CRJ 700 (CR7)
This flight number is listed as serving the following routes:
  • Buffalo (BUF) - Ronald Reagan Washington (DCA)
  • Chattanooga (CHA) - Charlotte (CLT)
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