American Airlines flight AA 1203: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:10 Charlotte (CLT) 08:56 Buffalo (BUF)
AA 1203 Non-stop Airbus A321 (321) 1:46 Effective 2025-08-06 through 2025-09-02
Daily 07:10 Charlotte (CLT) 08:51 Buffalo (BUF)
AA 1203 Non-stop Airbus A321 (321) 1:41 Effective 2025-09-03 through 2025-10-05
Daily 07:10 Charlotte (CLT) 08:54 Buffalo (BUF)
AA 1203 Non-stop Airbus A321 (321) 1:44 Effective 2025-10-06 through 2025-11-01
Tue,Wed 07:24 Charlotte (CLT) 09:07 Buffalo (BUF)
AA 1203 Non-stop Boeing 737-800 (738) 1:43 Effective 2025-07-08 through 2025-08-05
Daily 07:26 Charlotte (CLT) 09:05 Buffalo (BUF)
AA 1203 Non-stop Airbus A320 (320) 1:39 Valid until 2025-05-04
Tue,Wed 07:35 Charlotte (CLT) 09:18 Buffalo (BUF)
AA 1203 Non-stop Boeing 737-800 (738) 1:43 Effective 2025-06-10 through 2025-07-02
Sat 08:55 Charlotte (CLT) 10:37 Buffalo (BUF)
AA 1203 Non-stop Airbus A320 (320) 1:42 Effective 2025-07-05 through 2025-08-02
Daily 08:55 Charlotte (CLT) 10:38 Buffalo (BUF)
AA 1203 Non-stop Airbus A321 (321) 1:43 Effective 2025-11-02 through 2025-12-02
Daily 08:55 Charlotte (CLT) 10:36 Buffalo (BUF)
AA 1203 Non-stop Airbus A320 (320) 1:41 Effective 2025-12-03 through 2025-12-17
Daily 08:55 Charlotte (CLT) 10:38 Buffalo (BUF)
AA 1203 Non-stop Airbus A320 (320) 1:43 Effective 2025-12-18 through 2026-01-05
Daily 08:55 Charlotte (CLT) 10:47 Buffalo (BUF)
AA 1203 Non-stop Airbus A319 (319) 1:52 Effective 2026-01-06 through 2026-02-11
Daily 08:55 Charlotte (CLT) 10:42 Buffalo (BUF)
AA 1203 Non-stop Airbus A319 (319) 1:47 Effective from 2026-02-12
Mon,Thu,Fri 08:57 Charlotte (CLT) 10:40 Buffalo (BUF)
AA 1203 Non-stop Boeing 737-800 (738) 1:43 Effective 2025-07-07 through 2025-08-04
Mon,Thu,Fri 08:59 Charlotte (CLT) 10:43 Buffalo (BUF)
AA 1203 Non-stop Boeing 737-800 (738) 1:44 Effective 2025-06-05 through 2025-07-04
Sat 09:00 Charlotte (CLT) 10:49 Buffalo (BUF)
AA 1203 Non-stop Airbus A320 (320) 1:49 Effective 2025-06-07 through 2025-06-28
Sun 09:05 Charlotte (CLT) 10:55 Buffalo (BUF)
AA 1203 Non-stop Boeing 737-800 (738) 1:50 Effective 2025-06-08 through 2025-06-29
Sun 09:08 Charlotte (CLT) 10:54 Buffalo (BUF)
AA 1203 Non-stop Boeing 737-800 (738) 1:46 Effective 2025-07-06 through 2025-08-03
Daily 09:20 Charlotte (CLT) 11:16 Buffalo (BUF)
AA 1203 Non-stop Airbus A320 (320) 1:56 Effective 2025-05-05 through 2025-06-04
Tue,Wed 10:00 Buffalo (BUF) 11:56 Charlotte (CLT)
AA 1203 Non-stop Boeing 737-800 (738) 1:56 Effective 2025-07-08 through 2025-08-05
Tue,Wed 10:09 Buffalo (BUF) 12:04 Charlotte (CLT)
AA 1203 Non-stop Boeing 737-800 (738) 1:55 Effective 2025-06-10 through 2025-07-02
Daily 10:31 Buffalo (BUF) 12:30 Charlotte (CLT)
AA 1203 Non-stop Airbus A321 (321) 1:59 Effective 2025-10-06 through 2025-11-01
Daily 10:37 Buffalo (BUF) 12:30 Charlotte (CLT)
AA 1203 Non-stop Airbus A321 (321) 1:53 Effective 2025-09-03 through 2025-10-05
Daily 10:39 Buffalo (BUF) 12:30 Charlotte (CLT)
AA 1203 Non-stop Airbus A321 (321) 1:51 Effective 2025-08-06 through 2025-09-02
Sat 11:44 Buffalo (BUF) 13:40 Charlotte (CLT)
AA 1203 Non-stop Airbus A320 (320) 1:56 Effective 2025-07-05 through 2025-08-02
Mon,Thu,Fri,Sun 11:46 Buffalo (BUF) 13:40 Charlotte (CLT)
AA 1203 Non-stop Boeing 737-800 (738) 1:54 Effective 2025-06-05 through 2025-07-04
Sat 11:46 Buffalo (BUF) 13:39 Charlotte (CLT)
AA 1203 Non-stop Airbus A320 (320) 1:53 Effective 2025-06-07 through 2025-06-28
Mon,Thu,Fri,Sun 11:46 Buffalo (BUF) 13:43 Charlotte (CLT)
AA 1203 Non-stop Boeing 737-800 (738) 1:57 Effective 2025-07-06 through 2025-08-04
Daily 11:47 Buffalo (BUF) 13:41 Charlotte (CLT)
AA 1203 Non-stop Airbus A320 (320) 1:54 Valid until 2025-05-04
Daily 11:56 Buffalo (BUF) 14:00 Charlotte (CLT)
AA 1203 Non-stop Airbus A320 (320) 2:04 Effective 2025-12-03 through 2025-12-17
Daily 11:56 Buffalo (BUF) 14:00 Charlotte (CLT)
AA 1203 Non-stop Airbus A319 (319) 2:04 Effective 2026-01-06 through 2026-02-11
Mon-Fri,Sun 12:01 Buffalo (BUF) 13:56 Charlotte (CLT)
AA 1203 Non-stop Airbus A320 (320) 1:55 Effective 2025-05-05 through 2025-06-04
Daily 12:02 Buffalo (BUF) 14:00 Charlotte (CLT)
AA 1203 Non-stop Airbus A320 (320) 1:58 Effective 2025-12-18 through 2026-01-05
Daily 12:03 Buffalo (BUF) 14:00 Charlotte (CLT)
AA 1203 Non-stop Airbus A321 (321) 1:57 Effective 2025-11-02 through 2025-12-02
Sat 12:05 Buffalo (BUF) 14:00 Charlotte (CLT)
AA 1203 Non-stop Airbus A320 (320) 1:55 Effective 2025-05-10 through 2025-05-31
Daily 12:05 Buffalo (BUF) 14:00 Charlotte (CLT)
AA 1203 Non-stop Airbus A319 (319) 1:55 Effective from 2026-02-12
This flight number is listed as serving the following routes:


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American Airlines flight AA 1203: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA1203
07:10
Charlotte (CLT)

08:56
Buffalo (BUF)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Airbus A321 (321)
American Airlines AA1203
07:10
Charlotte (CLT)

08:51
Buffalo (BUF)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Airbus A321 (321)
American Airlines AA1203
07:10
Charlotte (CLT)

08:54
Buffalo (BUF)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:44, non-stop
Airbus A321 (321)
American Airlines AA1203
07:24
Charlotte (CLT)

09:07
Buffalo (BUF)
Effective 2025-07-08 through 2025-08-05
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:43, non-stop
Boeing 737-800 (738)
American Airlines AA1203
07:26
Charlotte (CLT)

09:05
Buffalo (BUF)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Airbus A320 (320)
American Airlines AA1203
07:35
Charlotte (CLT)

09:18
Buffalo (BUF)
Effective 2025-06-10 through 2025-07-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:43, non-stop
Boeing 737-800 (738)
American Airlines AA1203
08:55
Charlotte (CLT)

10:37
Buffalo (BUF)
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:42, non-stop
Airbus A320 (320)
American Airlines AA1203
08:55
Charlotte (CLT)

10:38
Buffalo (BUF)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Airbus A321 (321)
American Airlines AA1203
08:55
Charlotte (CLT)

10:36
Buffalo (BUF)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Airbus A320 (320)
American Airlines AA1203
08:55
Charlotte (CLT)

10:38
Buffalo (BUF)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Airbus A320 (320)
American Airlines AA1203
08:55
Charlotte (CLT)

10:47
Buffalo (BUF)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Airbus A319 (319)
American Airlines AA1203
08:55
Charlotte (CLT)

10:42
Buffalo (BUF)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Airbus A319 (319)
American Airlines AA1203
08:57
Charlotte (CLT)

10:40
Buffalo (BUF)
Effective 2025-07-07 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:43, non-stop
Boeing 737-800 (738)
American Airlines AA1203
08:59
Charlotte (CLT)

10:43
Buffalo (BUF)
Effective 2025-06-05 through 2025-07-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:44, non-stop
Boeing 737-800 (738)
American Airlines AA1203
09:00
Charlotte (CLT)

10:49
Buffalo (BUF)
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:49, non-stop
Airbus A320 (320)
American Airlines AA1203
09:05
Charlotte (CLT)

10:55
Buffalo (BUF)
Effective 2025-06-08 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-800 (738)
American Airlines AA1203
09:08
Charlotte (CLT)

10:54
Buffalo (BUF)
Effective 2025-07-06 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:46, non-stop
Boeing 737-800 (738)
American Airlines AA1203
09:20
Charlotte (CLT)

11:16
Buffalo (BUF)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:56, non-stop
Airbus A320 (320)
American Airlines AA1203
10:00
Buffalo (BUF)

11:56
Charlotte (CLT)
Effective 2025-07-08 through 2025-08-05
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:56, non-stop
Boeing 737-800 (738)
American Airlines AA1203
10:09
Buffalo (BUF)

12:04
Charlotte (CLT)
Effective 2025-06-10 through 2025-07-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (738)
American Airlines AA1203
10:31
Buffalo (BUF)

12:30
Charlotte (CLT)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Airbus A321 (321)
American Airlines AA1203
10:37
Buffalo (BUF)

12:30
Charlotte (CLT)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Airbus A321 (321)
American Airlines AA1203
10:39
Buffalo (BUF)

12:30
Charlotte (CLT)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Airbus A321 (321)
American Airlines AA1203
11:44
Buffalo (BUF)

13:40
Charlotte (CLT)
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:56, non-stop
Airbus A320 (320)
American Airlines AA1203
11:46
Buffalo (BUF)

13:40
Charlotte (CLT)
Effective 2025-06-05 through 2025-07-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:54, non-stop
Boeing 737-800 (738)
American Airlines AA1203
11:46
Buffalo (BUF)

13:39
Charlotte (CLT)
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:53, non-stop
Airbus A320 (320)
American Airlines AA1203
11:46
Buffalo (BUF)

13:43
Charlotte (CLT)
Effective 2025-07-06 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:57, non-stop
Boeing 737-800 (738)
American Airlines AA1203
11:47
Buffalo (BUF)

13:41
Charlotte (CLT)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:54, non-stop
Airbus A320 (320)
American Airlines AA1203
11:56
Buffalo (BUF)

14:00
Charlotte (CLT)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:04, non-stop
Airbus A320 (320)
American Airlines AA1203
11:56
Buffalo (BUF)

14:00
Charlotte (CLT)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:04, non-stop
Airbus A319 (319)
American Airlines AA1203
12:01
Buffalo (BUF)

13:56
Charlotte (CLT)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Airbus A320 (320)
American Airlines AA1203
12:02
Buffalo (BUF)

14:00
Charlotte (CLT)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:58, non-stop
Airbus A320 (320)
American Airlines AA1203
12:03
Buffalo (BUF)

14:00
Charlotte (CLT)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:57, non-stop
Airbus A321 (321)
American Airlines AA1203
12:05
Buffalo (BUF)

14:00
Charlotte (CLT)
Effective 2025-05-10 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Airbus A320 (320)
American Airlines AA1203
12:05
Buffalo (BUF)

14:00
Charlotte (CLT)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Airbus A319 (319)
This flight number is listed as serving the following routes:
  • Charlotte (CLT) - Buffalo (BUF)
All American Airlines flights
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