American Airlines Flight 400 Deals & Information (2025/2026)

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American Airlines Flight 400 Route Deals From $144

The cheapest prices found with in the last 7 days for return flights were $193 and $144 for one-way flights to Charlotte-Douglas Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 5 - Tue, Aug 12
MIA
Miami Intl.
CLT
Charlotte-Douglas Intl.
$193 Roundtrip, found 18 hours ago
$193
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Tue, Aug 5 from Miami Intl. to Charlotte-Douglas Intl., returning Tue, Aug 12, priced at $193 found 18 hours ago

Frequently asked questions

What route does flight number AA400 take?
Flight number AA400 flies non-stop from Ronald Reagan Washington National Airport (DCA) to Charlotte Airport. During this trip, you can expect to be in the air for 1 hour and 40 minutes. It's wise to book ahead to lock in your favorite seat.
How often is AA400 on time?
If you've booked tickets on American Airlines flight number AA400 between DCA and Charlotte Airport, 91% of these services take off according to schedule. If you happen to be delayed, expect to wait approximately 12 minutes on average. Thanks to the airline's first-rate service, this service has a star rating of 4.45.
What terminal does AA400 fly out of?
Passengers with seats booked on flight number AA400 from National Airport to Charlotte, NC Airport (CLT-Charlotte-Douglas Intl.) generally depart from Terminal C.
What kind of plane is on flight number AA400?
The route for flight number AA400 is nearly always Ronald Reagan Washington National Airport (DCA) to Charlotte-Douglas Intl. Airport (CLT), and the Airbus A319 is the type of plane you'll probably be taking off on.
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 AA400 flight with Travelocity, please visit our Customer Service Portal.