American Airlines flight AA 4556: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 12:50 New York LaGuardia (LGA) B 14:30 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2025-08-06 through 2025-09-02
Daily 12:50 New York LaGuardia (LGA) B 14:26 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:36 Effective 2025-09-03 through 2025-10-05
Daily 12:55 New York LaGuardia (LGA) B 14:35 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:40 Valid until 2025-05-04
Daily 12:58 New York LaGuardia (LGA) B 14:33 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2025-05-05 through 2025-06-04
Sat 12:59 New York LaGuardia (LGA) B 14:34 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2025-06-07 through 2025-06-14
Sat 12:59 New York LaGuardia (LGA) B 14:34 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:35 Effective 2025-06-21 through 2025-06-28
Sat 12:59 New York LaGuardia (LGA) B 14:44 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:45 Effective 2025-07-05 through 2025-08-02
Daily 13:00 New York LaGuardia (LGA) B 14:37 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-10-06 through 2025-11-01
Mon-Fri,Sun 13:04 New York LaGuardia (LGA) B 14:44 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2025-07-06 through 2025-08-05
Mon-Fri,Sun 13:10 New York LaGuardia (LGA) B 14:44 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:34 Effective 2025-06-05 through 2025-07-04
Daily 13:15 New York LaGuardia (LGA) B 14:55 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:40 Effective from 2026-02-12
Daily 13:20 New York LaGuardia (LGA) B 15:00 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2025-11-02 through 2025-12-17
Daily 13:20 New York LaGuardia (LGA) B 15:00 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2026-01-06 through 2026-02-11
Daily 13:36 New York LaGuardia (LGA) B 15:09 Toronto Pearson (YYZ) 3
AA 4556 Non-stop Embraer EMB 175 (E75) 1:33 Effective 2025-12-18 through 2026-01-05
Daily 15:15 Toronto Pearson (YYZ) 3 16:50 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2025-05-05 through 2025-06-04
Daily 15:19 Toronto Pearson (YYZ) 3 16:59 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2025-09-03 through 2025-10-05
Daily 15:20 Toronto Pearson (YYZ) 3 16:57 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-10-06 through 2025-11-01
Daily 15:22 Toronto Pearson (YYZ) 3 16:55 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:33 Effective 2025-08-06 through 2025-09-02
Daily 15:25 Toronto Pearson (YYZ) 3 17:00 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:35 Valid until 2025-05-04
Sat 15:25 Toronto Pearson (YYZ) 3 17:00 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2025-06-07 through 2025-06-14
Sat 15:25 Toronto Pearson (YYZ) 3 17:00 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:35 Effective 2025-06-21 through 2025-08-02
Mon-Fri,Sun 15:29 Toronto Pearson (YYZ) 3 17:04 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2025-06-05 through 2025-08-05
Daily 15:38 Toronto Pearson (YYZ) 3 17:18 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:40 Effective from 2026-02-12
Daily 15:45 Toronto Pearson (YYZ) 3 17:25 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2025-12-03 through 2025-12-17
Daily 15:45 Toronto Pearson (YYZ) 3 17:20 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2026-01-06 through 2026-02-11
Daily 15:49 Toronto Pearson (YYZ) 3 17:29 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:40 Effective 2025-12-18 through 2026-01-05
Daily 15:50 Toronto Pearson (YYZ) 3 17:25 New York LaGuardia (LGA) B
AA 4556 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2025-11-02 through 2025-12-02
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4556: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4556
12:50
New York LaGuardia (LGA) B

14:30
Toronto Pearson (YYZ) 3
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
12:50
New York LaGuardia (LGA) B

14:26
Toronto Pearson (YYZ) 3
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
12:55
New York LaGuardia (LGA) B

14:35
Toronto Pearson (YYZ) 3
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
12:58
New York LaGuardia (LGA) B

14:33
Toronto Pearson (YYZ) 3
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
12:59
New York LaGuardia (LGA) B

14:34
Toronto Pearson (YYZ) 3
Effective 2025-06-07 through 2025-06-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
12:59
New York LaGuardia (LGA) B

14:34
Toronto Pearson (YYZ) 3
Effective 2025-06-21 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4556
12:59
New York LaGuardia (LGA) B

14:44
Toronto Pearson (YYZ) 3
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4556
13:00
New York LaGuardia (LGA) B

14:37
Toronto Pearson (YYZ) 3
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
13:04
New York LaGuardia (LGA) B

14:44
Toronto Pearson (YYZ) 3
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
13:10
New York LaGuardia (LGA) B

14:44
Toronto Pearson (YYZ) 3
Effective 2025-06-05 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
13:15
New York LaGuardia (LGA) B

14:55
Toronto Pearson (YYZ) 3
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
13:20
New York LaGuardia (LGA) B

15:00
Toronto Pearson (YYZ) 3
Effective 2025-11-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
13:20
New York LaGuardia (LGA) B

15:00
Toronto Pearson (YYZ) 3
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
13:36
New York LaGuardia (LGA) B

15:09
Toronto Pearson (YYZ) 3
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:33, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:15
Toronto Pearson (YYZ) 3

16:50
New York LaGuardia (LGA) B
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:19
Toronto Pearson (YYZ) 3

16:59
New York LaGuardia (LGA) B
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:20
Toronto Pearson (YYZ) 3

16:57
New York LaGuardia (LGA) B
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:22
Toronto Pearson (YYZ) 3

16:55
New York LaGuardia (LGA) B
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:33, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:25
Toronto Pearson (YYZ) 3

17:00
New York LaGuardia (LGA) B
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:25
Toronto Pearson (YYZ) 3

17:00
New York LaGuardia (LGA) B
Effective 2025-06-07 through 2025-06-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:25
Toronto Pearson (YYZ) 3

17:00
New York LaGuardia (LGA) B
Effective 2025-06-21 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4556
15:29
Toronto Pearson (YYZ) 3

17:04
New York LaGuardia (LGA) B
Effective 2025-06-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:38
Toronto Pearson (YYZ) 3

17:18
New York LaGuardia (LGA) B
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:45
Toronto Pearson (YYZ) 3

17:25
New York LaGuardia (LGA) B
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:45
Toronto Pearson (YYZ) 3

17:20
New York LaGuardia (LGA) B
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:49
Toronto Pearson (YYZ) 3

17:29
New York LaGuardia (LGA) B
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA4556
15:50
Toronto Pearson (YYZ) 3

17:25
New York LaGuardia (LGA) B
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Toronto Pearson (YYZ) - New York LaGuardia (LGA)
All American Airlines flights
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