American Airlines Flight DL4378 Deals & Information (2024/2025)

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American Airlines Flight 4378 Route Deals From $95

The cheapest prices found with in the last 7 days for return flights were $127 and $95 for one-way flights to Raleigh - Durham Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jan 24 - Mon, Jan 27
JFK
John F. Kennedy Intl.
RDU
Raleigh - Durham Intl.
$127 Roundtrip, found 1 day ago
$127
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Jan 24 from John F. Kennedy Intl. to Raleigh - Durham Intl., returning Mon, Jan 27, priced at $127 found 1 day ago

Frequently asked questions

What route does flight number AA4378 take?
AA4378 takes multiple routes. The most popular is between Bloomington, IL Airport (BMI-Central Illinois Regional) and O’Hare Intl. Airport (ORD), which is a direct flight. This flight takes about 1 hour and 4 minutes. However, there may be other flights with the same number that are multi-stop.
What kind of plane is on flight number AA4378?
Chances are you’ll travel aboard the Embraer RJ145 if you’ve booked a seat on flight number AA4378 from Central Illinois Regional Airport (BMI) to O’Hare Airport. This is the most commonly used aircraft model on this particular 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 AA4378 flight with Travelocity, please visit our Customer Service Portal.