American Airlines Flight 3521 Deals & Information (2026/2027)

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American Airlines Flight 3521 Route Deals From $486

The cheapest prices found with in the last 7 days for return flights were $575 and $486 for one-way flights to Dallas-Fort Worth Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 11 - Sun, Sep 13
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$575 Roundtrip, found 1 day ago
$575
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 11 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sun, Sep 13, priced at $575 found 1 day ago
Thu, Jul 2 - Sun, Jul 5
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$589 Roundtrip, found 6 days ago
$589
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Jul 2 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sun, Jul 5, priced at $589 found 6 days ago
Fri, Jun 5 - Mon, Jun 8
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$627 Roundtrip, found 20 hours ago
$627
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Fri, Jun 5 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Mon, Jun 8, priced at $627 found 20 hours ago
Fri, Aug 7 - Mon, Aug 10
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$672 Roundtrip, found 1 day ago
$672
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 7 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Mon, Aug 10, priced at $672 found 1 day ago
Fri, Jun 12 - Sat, Jun 13
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$679 Roundtrip, found 5 days ago
$679
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Jun 12 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sat, Jun 13, priced at $679 found 5 days ago
Fri, Sep 11 - Sun, Sep 13
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$691 Roundtrip, found 1 day ago
$691
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 11 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sun, Sep 13, priced at $691 found 1 day ago
Fri, Sep 11 - Sun, Sep 13
BIS
Bismarck Municipal
DFW
Dallas-Fort Worth Intl.
$717 Roundtrip, found 1 day ago
$717
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 11 from Bismarck Municipal to Dallas-Fort Worth Intl., returning Sun, Sep 13, priced at $717 found 1 day ago

Frequently asked questions

What route does flight number AA3521 take?
AA3521 is used on multiple routes, but the most common is between General Mariano Escobedo Intl. Airport (MTY) and Dallas-Fort Worth Intl. Airport (DFW). If you manage to score a direct flight, you'll arrive in about 1 hour and 44 minutes. Multi-stop flights can also use the same number, as can services on other routes.
How often is AA3521 on time?
American Airlines flight number AA3521 has multiple routes, but the most quickly booked is from Monterrey, Nuevo Leon Airport (MTY-General Mariano Escobedo Intl.) to Dallas, TX Airport (DFW-Dallas-Fort Worth Intl.) and lands according to schedule 76% of the time. If there is a delay, you can expect to wait for 24 minutes. This service has a 1.85-star rating.
What terminal does AA3521 fly out of?
If you're heading off from Monterrey, Nuevo Leon Airport (MTY-General Mariano Escobedo Intl.), there's a fair chance you'll board the plane from Terminal A. The most frequented route for AA3521 is Monterrey Intl. Airport to DFW, which is a nonstop flight.
What kind of plane is on flight number AA3521?
It's highly likely you'll travel aboard an Embraer 175 if you've booked a seat on flight AA3521 from Monterrey Intl. Airport to Dallas, TX Airport (DFW-Dallas-Fort Worth Intl.). It's the most commonly used type of plane on this popular 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 AA3521 flight with Travelocity, please visit our Customer Service Portal.