AA 521 San Juan to Philadelphia Flight Status

American Airlines Flight AA521 from San Juan Luis Munoz Marin International Airport SJU to Philadelphia International Airport PHL is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on February 9th, 2026.
Check the table below for AA521's most recent flight history:

AA 521 Flight Status & Schedule

Date Departure Arrival Status
Feb 09 18:20 21:36
Delayed
Track >
Feb 08 18:25 21:12
Landed Late
Track >
Feb 07 18:01 20:59
Landed Late
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Feb 06 17:29 19:58
Landed
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Feb 05 17:53 20:40
Landed
Track >

American Airlines AA 521 San Juan to Philadelphia Flight Information

American Airlines Flight AA521 connects San Juan, Puerto Rico to Philadelphia, United States, taking off from San Juan Luis Munoz Marin International Airport SJU and landing at Philadelphia International Airport PHL.

How long is the AA521 flight from San Juan to Philadelphia?

The average flight time from San Juan to Philadelphia is 3 hours and 41 minutes. The flight distance is 2543 km / 1580 miles and the average flight speed is 694 km/h / 431 mph.

What is the On-Time Performance (OTP) of American Airlines Flight AA521 San Juan to Philadelphia?

The Airportia On-Time Performance Rating for American Airlines Flight AA521 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AA521 arriving at?

Flight AA521 arrives at Philadelphia International Airport (PHL) Terminal A.

When was the latest AA521 flight?

The latest flight took off on Tuesday, February 10th, 2026 with the flight status being En-Route on 21:36.

How else can the flight AA521 be referenced as?

This American Airlines flight can also be referenced as AAL521, AA0521, AA 521, AAL 521.

How often is flight AA521 delayed?

On average, 60% of all AA521 flights are delayed. The average delay is 28 minutes.

Can I get compensation for my delayed or cancelled AA521 flight or baggage issues?

If your AA521 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our AA521 Flight Tracker above for more details.

AA521 and San Juan SJU to Philadelphia PHL Flights

Other flights departing from San Juan SJU: B6908, AA2685, AA2682, F94461

Other flights arriving at Philadelphia PHL: AA2824, AA5596, AA5040, AA5172

All flights connecting San Juan SJU to Philadelphia PHL.

AA521 American Airlines Flight: San Juan to Philadelphia Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.