American Airlines flight AA 4550: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 08:15 New York LaGuardia (LGA) B 09:45 Montreal-Trudeau (YUL)
AA 4550 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:30 Effective 2026-05-21 through 2026-08-04
Daily 08:20 New York LaGuardia (LGA) B 09:50 Montreal-Trudeau (YUL)
AA 4550 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:30 Effective 2026-08-05 through 2026-09-08
Daily 08:20 New York LaGuardia (LGA) B 09:45 Montreal-Trudeau (YUL)
AA 4550 Non-stop Embraer EMB 175 (E75) 1:25 Effective 2026-09-09 through 2026-10-04
Daily 08:20 New York LaGuardia (LGA) B 09:50 Montreal-Trudeau (YUL)
AA 4550 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:30 Effective from 2026-10-05
Daily 10:30 Montreal-Trudeau (YUL) 12:00 New York LaGuardia (LGA) B
AA 4550 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:30 Effective 2026-07-02 through 2026-08-04
Daily 10:30 Montreal-Trudeau (YUL) 12:00 New York LaGuardia (LGA) B
AA 4550 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:30 Effective from 2026-10-05
Daily 10:31 Montreal-Trudeau (YUL) 12:00 New York LaGuardia (LGA) B
AA 4550 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:29 Effective 2026-08-05 through 2026-09-08
Daily 10:35 Montreal-Trudeau (YUL) 12:00 New York LaGuardia (LGA) B
AA 4550 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:25 Effective 2026-05-21 through 2026-07-01
Daily 10:35 Montreal-Trudeau (YUL) 12:00 New York LaGuardia (LGA) B
AA 4550 Non-stop Embraer EMB 175 (E75) 1:25 Effective 2026-09-09 through 2026-10-04
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4550: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4550
08:15
New York LaGuardia (LGA) B

09:45
Montreal-Trudeau (YUL)
Effective 2026-05-21 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4550
08:20
New York LaGuardia (LGA) B

09:50
Montreal-Trudeau (YUL)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4550
08:20
New York LaGuardia (LGA) B

09:45
Montreal-Trudeau (YUL)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4550
08:20
New York LaGuardia (LGA) B

09:50
Montreal-Trudeau (YUL)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4550
10:30
Montreal-Trudeau (YUL)

12:00
New York LaGuardia (LGA) B
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4550
10:30
Montreal-Trudeau (YUL)

12:00
New York LaGuardia (LGA) B
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4550
10:31
Montreal-Trudeau (YUL)

12:00
New York LaGuardia (LGA) B
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4550
10:35
Montreal-Trudeau (YUL)

12:00
New York LaGuardia (LGA) B
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA4550
10:35
Montreal-Trudeau (YUL)

12:00
New York LaGuardia (LGA) B
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • New York LaGuardia (LGA) - Montreal-Trudeau (YUL)
All American Airlines flights
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