AA 521 Philadelphia to San Juan Flight Status

American Airlines Flight AA521 from Philadelphia International Airport PHL to San Juan Luis Munoz Marin International Airport SJU is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on February 11th, 2026.
Check the table below for AA521's most recent flight history:

AA 521 Flight Status & Schedule

Date Departure Arrival Status
Feb 11 11:32 16:15
Landed
Track >
Feb 10 11:59 16:01
Landed
Track >
Feb 09 12:21 16:46
Landed Late
Track >
Feb 08 12:38 16:43
Landed
Track >
Feb 07 11:57 16:22
Landed
Track >

American Airlines AA 521 Philadelphia to San Juan Flight Information

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

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

The average flight time from Philadelphia to San Juan is 3 hours and 30 minutes. The flight distance is 2543 km / 1580 miles and the average flight speed is 734 km/h / 456 mph.

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

The Airportia On-Time Performance Rating for American Airlines Flight AA521 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight AA521 arriving at?

Flight AA521 arrives at San Juan Luis Munoz Marin International Airport (SJU) Terminal C.

When was the latest AA521 flight?

The latest flight took off on Wednesday, February 11th, 2026 with the flight status being Landed on 16:15.

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, 40% of all AA521 flights are delayed. The average delay is 18 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 Philadelphia PHL to San Juan SJU Flights

Flight AA521 is code-shared by 1 airline using the flight number QR7944

Other flights departing from Philadelphia PHL: AA2499, AA1511, AA6117, AA2390

Other flights arriving at San Juan SJU: AA2685, B6908, AA2682, XP210

All flights connecting Philadelphia PHL to San Juan SJU.

AA521 American Airlines Flight: Philadelphia to San Juan 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.