American Airlines flight AA 4551: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon-Fri 06:00 Chicago O'Hare (ORD) 3 09:16 New York LaGuardia (LGA) B AA 4551 Non-stop Embraer EMB 175 (E75) 2:16 Effective 2026-01-06 through 2026-02-11
Sat,Sun 06:00 Chicago O'Hare (ORD) 3 09:13 New York LaGuardia (LGA) B AA 4551 Non-stop Embraer EMB 175 (E75) 2:13 Effective 2026-01-10 through 2026-02-08
Mon-Fri,Sun 06:00 Chicago O'Hare (ORD) 3 09:12 New York LaGuardia (LGA) B AA 4551 Non-stop Embraer EMB 175 (E75) 2:12 Effective 2026-02-12 through 2026-03-06
Sat 06:00 Boston Logan (BOS) B 07:43 Philadelphia (PHL) AA 4551 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-02-14 through 2026-03-07
Mon-Fri,Sun 06:00 Chicago O'Hare (ORD) 3 09:16 New York LaGuardia (LGA) B AA 4551 Non-stop Embraer EMB 175 (E75) 2:16 Effective 2026-03-08 through 2026-04-06
Daily 06:00 Ronald Reagan Washington (DCA) 2 07:24 New York John F. Kennedy (JFK) 8 AA 4551 Non-stop Embraer EMB 175 (E75) 1:24 Effective 2026-05-21 through 2026-07-01
Daily 06:00 Ronald Reagan Washington (DCA) 2 07:29 New York John F. Kennedy (JFK) 8 AA 4551 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2026-07-02 through 2026-08-04
Daily 06:30 Ronald Reagan Washington (DCA) 2 07:49 New York John F. Kennedy (JFK) 8 AA 4551 Non-stop Embraer EMB 175 (E75) 1:19 Effective 2026-08-05 through 2026-09-08
Daily 06:30 Ronald Reagan Washington (DCA) 2 07:50 New York John F. Kennedy (JFK) 8 AA 4551 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2026-09-09 through 2026-10-04
Daily 06:35 Ronald Reagan Washington (DCA) 2 07:54 New York John F. Kennedy (JFK) 8 AA 4551 Non-stop Embraer EMB 175 (E75) 1:19 Effective 2026-04-07 through 2026-05-20
Daily 06:38 Ronald Reagan Washington (DCA) 2 07:59 New York John F. Kennedy (JFK) 8 AA 4551 Non-stop Embraer EMB 175 (E75) 1:21 Effective from 2026-10-05
Sat 07:00 Boston Logan (BOS) B 08:42 Philadelphia (PHL) AA 4551 Non-stop Embraer EMB 175 (E75) 1:42 Effective 2026-03-14 through 2026-04-04
Daily 09:00 New York John F. Kennedy (JFK) 8 10:26 Ronald Reagan Washington (DCA) 2 AA 4551 Non-stop Embraer EMB 175 (E75) 1:26 Effective 2026-08-05 through 2026-09-08
Daily 09:00 New York John F. Kennedy (JFK) 8 10:27 Ronald Reagan Washington (DCA) 2 AA 4551 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2026-09-09 through 2026-10-04
Daily 09:03 New York John F. Kennedy (JFK) 8 10:39 Ronald Reagan Washington (DCA) 2 AA 4551 Non-stop Embraer EMB 175 (E75) 1:36 Effective 2026-07-02 through 2026-08-04
Daily 09:08 New York John F. Kennedy (JFK) 8 10:43 Ronald Reagan Washington (DCA) 2 AA 4551 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2026-05-21 through 2026-07-01
Mon,Tue,Thu-Sun 20:16 Chicago O'Hare (ORD) 3 23:43 New York LaGuardia (LGA) B AA 4551 Non-stop Embraer EMB 175 (E75) 2:27 Valid until 2026-01-05

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This flight number is listed as serving the following routes:

Boston Logan (BOS) - Philadelphia (PHL)
Chicago O'Hare (ORD) - New York LaGuardia (LGA)
Ronald Reagan Washington (DCA) - New York John F. Kennedy (JFK)

All American Airlines flights

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American Airlines flight AA 4551: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

American Airlines AA4551

06:00

Chicago O'Hare (ORD) 3

09:16

New York LaGuardia (LGA) B

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:16, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

06:00

Chicago O'Hare (ORD) 3

09:13

New York LaGuardia (LGA) B

Effective 2026-01-10 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 2:13, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

06:00

Chicago O'Hare (ORD) 3

09:12

New York LaGuardia (LGA) B

Effective 2026-02-12 through 2026-03-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:12, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

06:00

Boston Logan (BOS) B

07:43

Philadelphia (PHL)

Effective 2026-02-14 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:43, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

06:00

Chicago O'Hare (ORD) 3

09:16

New York LaGuardia (LGA) B

Effective 2026-03-08 through 2026-04-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:16, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

06:00

Ronald Reagan Washington (DCA) 2

07:24

New York John F. Kennedy (JFK) 8

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:24, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

06:00

Ronald Reagan Washington (DCA) 2

07:29

New York John F. Kennedy (JFK) 8

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:29, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

06:30

Ronald Reagan Washington (DCA) 2

07:49

New York John F. Kennedy (JFK) 8

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:19, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

06:30

Ronald Reagan Washington (DCA) 2

07:50

New York John F. Kennedy (JFK) 8

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:20, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

06:35

Ronald Reagan Washington (DCA) 2

07:54

New York John F. Kennedy (JFK) 8

Effective 2026-04-07 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:19, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

06:38

Ronald Reagan Washington (DCA) 2

07:59

New York John F. Kennedy (JFK) 8

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:21, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

07:00

Boston Logan (BOS) B

08:42

Philadelphia (PHL)

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:42, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

09:00

New York John F. Kennedy (JFK) 8

10:26

Ronald Reagan Washington (DCA) 2

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:26, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

09:00

New York John F. Kennedy (JFK) 8

10:27

Ronald Reagan Washington (DCA) 2

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:27, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

09:03

New York John F. Kennedy (JFK) 8

10:39

Ronald Reagan Washington (DCA) 2

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:36, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

09:08

New York John F. Kennedy (JFK) 8

10:43

Ronald Reagan Washington (DCA) 2

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:35, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA4551

20:16

Chicago O'Hare (ORD) 3

23:43

New York LaGuardia (LGA) B

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:27, non-stop
Embraer EMB 175 (E75)

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Parallax here

This flight number is listed as serving the following routes:

Boston Logan (BOS) - Philadelphia (PHL)
Chicago O'Hare (ORD) - New York LaGuardia (LGA)
Ronald Reagan Washington (DCA) - New York John F. Kennedy (JFK)

All American Airlines flights

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