American Airlines Flight 4521 Deals & Information (2026/2027)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

American Airlines Flight 4521 Route Deals From $159

The cheapest prices found with in the last 7 days for return flights were $268 and $159 for one-way flights to Bradley Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Apr 20 - Thu, Apr 23
ORD
O'Hare Intl.
BDL
Bradley Intl.
$268 Roundtrip, found 5 days ago
$268
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Apr 20 from O'Hare Intl. to Bradley Intl., returning Thu, Apr 23, priced at $268 found 5 days ago
Wed, Apr 29 - Thu, Apr 30
ORD
O'Hare Intl.
BDL
Bradley Intl.
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 29 from O'Hare Intl. to Bradley Intl., returning Thu, Apr 30, priced at $275 found 1 day ago
Fri, May 1 - Mon, May 4
ORD
O'Hare Intl.
BDL
Bradley Intl.
$287 Roundtrip, found 1 hour ago
$287
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, May 1 from O'Hare Intl. to Bradley Intl., returning Mon, May 4, priced at $287 found 1 hour ago
Fri, May 1 - Mon, May 4
ORD
O'Hare Intl.
BDL
Bradley Intl.
$288 Roundtrip, found 1 hour ago
$288
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, May 1 from O'Hare Intl. to Bradley Intl., returning Mon, May 4, priced at $288 found 1 hour ago
Wed, Apr 29 - Thu, Apr 30
ORD
O'Hare Intl.
BDL
Bradley Intl.
$296 Roundtrip, found 1 day ago
$296
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 29 from O'Hare Intl. to Bradley Intl., returning Thu, Apr 30, priced at $296 found 1 day ago
Tue, May 26 - Wed, May 27
ORD
O'Hare Intl.
BDL
Bradley Intl.
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, May 26 from O'Hare Intl. to Bradley Intl., returning Wed, May 27, priced at $323 found 1 day ago

Frequently asked questions

What route does flight number AA4521 take?
AA4521 is used on multiple routes, but the most common is between CLT and Memphis Intl. Airport (MEM). If your flight is direct, you'll disembark the plane in 1 hour and 49 minutes. Multi-stop flights can also operate under this number, as can services on other routes.
What kind of plane is on flight number AA4521?
If you've booked a ticket on flight AA4521 from Charlotte-Douglas Intl. Airport (CLT) to Memphis, TN Airport (MEM-Memphis Intl.), there's a strong chance you'll be traveling aboard the Embraer 175. Flight AA4521 serves several routes, but this is the most common one.
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 AA4521 flight with Travelocity, please visit our Customer Service Portal.