American Airlines flight AA 4738: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:10 New York LaGuardia (LGA) B 09:33 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:23 Effective 2025-08-06 through 2025-09-02
Mon-Fri 08:55 New York LaGuardia (LGA) B 10:24 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2025-05-05 through 2025-06-04
Daily 09:00 New York LaGuardia (LGA) B 10:28 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-01-06 through 2026-02-11
Thu 09:10 New York LaGuardia (LGA) B 10:37 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:27 Operates only on 2025-06-05
Mon-Fri 09:13 New York LaGuardia (LGA) B 10:40 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2025-06-06 through 2025-07-04
Mon-Fri 09:29 New York LaGuardia (LGA) B 10:54 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:25 Effective 2025-07-07 through 2025-08-05
Sat 09:39 Buffalo (BUF) 10:59 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2025-06-07 through 2025-06-28
Sat 09:48 Buffalo (BUF) 11:10 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2025-07-05 through 2025-08-02
Daily 10:11 Buffalo (BUF) 11:29 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:18 Effective 2025-08-06 through 2025-09-02
Daily 10:20 New York LaGuardia (LGA) B 11:46 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:26 Effective from 2026-02-12
Daily 10:28 New York LaGuardia (LGA) B 11:51 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:23 Effective 2025-11-02 through 2025-12-02
Daily 10:29 New York LaGuardia (LGA) B 11:51 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2025-12-03 through 2025-12-17
Daily 10:29 New York LaGuardia (LGA) B 11:52 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:23 Effective 2025-12-18 through 2026-01-05
Mon-Thu 10:40 New York LaGuardia (LGA) B 12:04 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:24 Valid until 2025-05-01
Sun 11:08 Buffalo (BUF) 12:30 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2025-07-06 through 2025-08-03
Thu 11:09 Buffalo (BUF) 12:29 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:20 Operates only on 2025-06-05
Mon-Fri 11:10 Buffalo (BUF) 12:29 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:19 Effective 2025-06-06 through 2025-07-04
Sun 11:10 Buffalo (BUF) 12:30 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2025-06-08 through 2025-06-29
Mon-Fri 11:24 Buffalo (BUF) 12:46 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2025-07-07 through 2025-08-05
Daily 11:52 Buffalo (BUF) 13:20 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-01-06 through 2026-02-11
Daily 12:16 Buffalo (BUF) 13:38 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:22 Effective from 2026-02-12
Mon-Fri,Sun 12:22 Buffalo (BUF) 13:42 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2025-05-05 through 2025-06-04
Daily 12:22 Buffalo (BUF) 13:51 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2025-12-03 through 2025-12-17
Daily 12:31 Buffalo (BUF) 14:00 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2025-12-18 through 2026-01-05
Mon,Wed,Thu,Sat 12:35 Buffalo (BUF) 13:57 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:22 Valid until 2025-05-03
Daily 12:38 Buffalo (BUF) 14:00 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2025-11-02 through 2025-12-02
Sat 13:22 Buffalo (BUF) 14:42 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2025-05-10 through 2025-05-31
This flight number is listed as serving the following routes:


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American Airlines flight AA 4738: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4738
08:10
New York LaGuardia (LGA) B

09:33
Buffalo (BUF)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
08:55
New York LaGuardia (LGA) B

10:24
Buffalo (BUF)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:29, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
09:00
New York LaGuardia (LGA) B

10:28
Buffalo (BUF)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
09:10
New York LaGuardia (LGA) B

10:37
Buffalo (BUF)
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
09:13
New York LaGuardia (LGA) B

10:40
Buffalo (BUF)
Effective 2025-06-06 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
09:29
New York LaGuardia (LGA) B

10:54
Buffalo (BUF)
Effective 2025-07-07 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:25, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
09:39
Buffalo (BUF)

10:59
New York LaGuardia (LGA) B
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
09:48
Buffalo (BUF)

11:10
New York LaGuardia (LGA) B
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
10:11
Buffalo (BUF)

11:29
New York LaGuardia (LGA) B
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
10:20
New York LaGuardia (LGA) B

11:46
Buffalo (BUF)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4738
10:28
New York LaGuardia (LGA) B

11:51
Buffalo (BUF)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
10:29
New York LaGuardia (LGA) B

11:51
Buffalo (BUF)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
10:29
New York LaGuardia (LGA) B

11:52
Buffalo (BUF)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
10:40
New York LaGuardia (LGA) B

12:04
Buffalo (BUF)
Valid until 2025-05-01
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:24, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
11:08
Buffalo (BUF)

12:30
New York LaGuardia (LGA) B
Effective 2025-07-06 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
11:09
Buffalo (BUF)

12:29
New York LaGuardia (LGA) B
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
11:10
Buffalo (BUF)

12:29
New York LaGuardia (LGA) B
Effective 2025-06-06 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:19, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
11:10
Buffalo (BUF)

12:30
New York LaGuardia (LGA) B
Effective 2025-06-08 through 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
11:24
Buffalo (BUF)

12:46
New York LaGuardia (LGA) B
Effective 2025-07-07 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
11:52
Buffalo (BUF)

13:20
New York LaGuardia (LGA) B
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
12:16
Buffalo (BUF)

13:38
New York LaGuardia (LGA) B
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4738
12:22
Buffalo (BUF)

13:42
New York LaGuardia (LGA) B
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
12:22
Buffalo (BUF)

13:51
New York LaGuardia (LGA) B
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
12:31
Buffalo (BUF)

14:00
New York LaGuardia (LGA) B
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
12:35
Buffalo (BUF)

13:57
New York LaGuardia (LGA) B
Valid until 2025-05-03
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
12:38
Buffalo (BUF)

14:00
New York LaGuardia (LGA) B
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
American Airlines AA4738
13:22
Buffalo (BUF)

14:42
New York LaGuardia (LGA) B
Effective 2025-05-10 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
This flight number is listed as serving the following routes:
  • New York LaGuardia (LGA) - Buffalo (BUF)
All American Airlines flights
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