American Airlines Flight WN2421 Deals & Information (2025/2026)

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American Airlines Flight 2421 Route Deals From $67

The cheapest prices found with in the last 7 days for return flights were $116 and $67 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 15 - Fri, Jul 18
PHX
Sky Harbor Intl.
SFO
San Francisco Intl.
$116 Roundtrip, found 15 hours ago
$116
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Tue, Jul 15 from Sky Harbor Intl. to San Francisco Intl., returning Fri, Jul 18, priced at $116 found 15 hours ago
Tue, Oct 7 - Wed, Oct 15
PHX
Sky Harbor Intl.
SFO
San Francisco Intl.
$131 Roundtrip, found 23 hours ago
$131
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Tue, Oct 7 from Sky Harbor Intl. to San Francisco Intl., returning Wed, Oct 15, priced at $131 found 23 hours ago

Frequently asked questions

What route does flight number AA2421 take?
You’ll be touching down at San Francisco Airport from Miami Intl. Airport (MIA) if you’ve booked a ticket on flight number AA2421. You’ll be in the air for 6 hours and 2 minutes during this journey. What’s more, the flight conveniently travels non-stop.
How often is AA2421 on time?
Around 50% of flight number AA2421 planes take off on time — so you may want to leave some room in your itinerary. If you experience a delay, the average wait is about 24 minutes. Be aware of this if you need to make a connecting journey or your friends are picking you up from the airport. This trip has a star rating of 1.55.
What kind of plane is on flight number AA2421?
The Airbus A321 is the aircraft that’s generally used for flight AA2421. Typically, this flight takes off from MIA and touches down at San Francisco, CA Airport (SFO-San Francisco Intl.).
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 AA2421 flight with Travelocity, please visit our Customer Service Portal.