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American Airlines American Airlines

AA521 Flight Status

According to real-time data from Trip.com, flight AA521, operated by American Airlines and scheduled to fly from Charlotte (CLT to Buffalo (BUF), has been cancelled. Please contact the airline or airport counter for the latest information.
CLT-BUF

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Canceled
Please refer to the airline for the latest information
173106C5-5199-4134-A176-6296CB3DA377 1h 49m
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Baggage
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AA521

AA521 Aircraft Details

flight status
Plane model info unavailable
Punctuality (Departure)
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Punctuality (Arrival)
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Early on average
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Age
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Flight Distance
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Frequently Asked Questions

  • What is the current status of flight aa521?

    Flight aa521 has been canceled (status: Canceled). Contact American Airlines or your booking channel for rebooking or refund (updated Nov 7, 2026).
  • Flight aa521 has been canceled (status: Canceled). Contact American Airlines or your booking channel for rebooking or refund options; if booked on Trip.com, use Manage Booking.
  • Flight aa521 is operated by American Airlines from Charlotte (CLT) to Buffalo (BUF). Typical flight time is about 1 hour49 minutes; operating days may include Saturday.
  • Track flight aa521 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.
  • If aa521 is delayed or canceled, first confirm the latest status here (Canceled, updated Nov 7, 2026). Contact American Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.
  • Flight aa521 has been canceled and did not depart from Charlotte (CLT). Contact American Airlines or your booking channel for next steps.

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