American Airlines Flight 521 Deals & Information (2025/2026)

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American Airlines Flight 521 Route Deals From $119

The cheapest prices found with in the last 7 days for return flights were $237 and $119 for one-way flights to Sky Harbor Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Aug 17 - Fri, Aug 22
MEM
Memphis Intl.
PHX
Sky Harbor Intl.
$237 Roundtrip, found 5 days ago
$237
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Aug 17 from Memphis Intl. to Sky Harbor Intl., returning Fri, Aug 22, priced at $237 found 5 days ago

Frequently asked questions

What route does flight number AA521 take?
AA521 is used on a number of routes. Typically, AA521 flies direct from O’Hare Airport to Minneapolis, MN Airport (MSP-Minneapolis - St. Paul Intl.). If you’ve booked a seat on this route, you’ll be airborne for approximately 1 hour and 40 minutes.
What terminal does AA521 fly out of?
If you’re departing from ORD, there’s a fair chance you’ll board the plane from Terminal 3. The most popular route for flight number AA521 is ORD to Wold–Chamberlain Field, which is a direct flight.
What kind of plane is on flight number AA521?
Chances are you’ll be enjoying the services of an Airbus A319 if you’ve reserved a ticket on flight AA521 from O’Hare Intl. Airport (ORD) to Minneapolis - St. Paul Intl. Airport (MSP). This is the most commonly used aircraft type on this route.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AA521 flight with Travelocity, please visit our Customer Service Portal.