American Airlines flight AA 4738: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 07:30 New York LaGuardia (LGA) B 08:58 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-01-10 through 2026-02-07
Mon,Thu,Fri,Sun 07:51 Louisville (SDF) 10:00 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 2:09 Effective 2026-04-30 through 2026-05-04
Mon-Fri,Sun 09:10 New York LaGuardia (LGA) B 10:44 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:34 Effective 2026-02-12 through 2026-03-06
Daily 09:10 New York LaGuardia (LGA) B 10:40 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:30 Effective 2026-08-05 through 2026-09-08
Sun 09:22 New York LaGuardia (LGA) B 10:50 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-01-11 through 2026-02-08
Mon-Fri 09:28 New York LaGuardia (LGA) B 10:57 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:29 Effective 2026-01-06 through 2026-02-11
Daily 09:29 New York LaGuardia (LGA) B 10:58 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:29 Effective 2026-03-08 through 2026-04-06
Sat 09:40 New York LaGuardia (LGA) B 11:14 Buffalo (BUF)
AA 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:34 Effective 2026-02-14 through 2026-03-07
Daily 11:10 Buffalo (BUF) 12:32 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2026-08-05 through 2026-09-08
Mon-Fri,Sun 11:19 Buffalo (BUF) 12:59 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:40 Effective 2026-02-12 through 2026-03-06
Mon-Fri 11:27 Buffalo (BUF) 13:00 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:33 Effective 2026-01-06 through 2026-02-11
Sun 11:31 Buffalo (BUF) 13:03 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2026-01-11 through 2026-02-08
Daily 11:34 Buffalo (BUF) 12:59 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:25 Effective 2026-03-08 through 2026-04-06
Sat 11:44 Buffalo (BUF) 13:24 New York LaGuardia (LGA) B
AA 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:40 Effective 2026-02-14 through 2026-03-07
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
07:30
New York LaGuardia (LGA) B

08:58
Buffalo (BUF)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4738
07:51
Louisville (SDF)

10:00
New York LaGuardia (LGA) B
Effective 2026-04-30 through 2026-05-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:09, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4738
09:10
New York LaGuardia (LGA) B

10:44
Buffalo (BUF)
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:34, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4738
09:10
New York LaGuardia (LGA) B

10:40
Buffalo (BUF)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4738
09:22
New York LaGuardia (LGA) B

10:50
Buffalo (BUF)
Effective 2026-01-11 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4738
09:28
New York LaGuardia (LGA) B

10:57
Buffalo (BUF)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:29, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4738
09:29
New York LaGuardia (LGA) B

10:58
Buffalo (BUF)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4738
09:40
New York LaGuardia (LGA) B

11:14
Buffalo (BUF)
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:34, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4738
11:10
Buffalo (BUF)

12:32
New York LaGuardia (LGA) B
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4738
11:19
Buffalo (BUF)

12:59
New York LaGuardia (LGA) B
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4738
11:27
Buffalo (BUF)

13:00
New York LaGuardia (LGA) B
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:33, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4738
11:31
Buffalo (BUF)

13:03
New York LaGuardia (LGA) B
Effective 2026-01-11 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:32, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4738
11:34
Buffalo (BUF)

12:59
New York LaGuardia (LGA) B
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4738
11:44
Buffalo (BUF)

13:24
New York LaGuardia (LGA) B
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:40, non-stop
Embraer EMB 170 / EMB 175 (E70)
This flight number is listed as serving the following routes:
  • Buffalo (BUF) - New York LaGuardia (LGA)
  • Louisville (SDF) - New York LaGuardia (LGA)
All American Airlines flights
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