American Airlines Flight AA4345 Deals & Information (2024/2025)

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American Airlines Flight 4345 Route Deals From $99

The cheapest prices found with in the last 7 days for return flights were $185 and $99 for one-way flights to LaGuardia for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number AA4345 take?
AA4345 takes numerous routes. The most frequently flown is between Louisville Intl. Airport (SDF) and O’Hare Airport, which flies direct. This service takes roughly 1 hour and 38 minutes. That said, there may be other flights with the same number that have one or more stops.
What kind of plane is on flight number AA4345?
If you’re taking flight AA4345 from Louisville Muhammad Ali Intl. Airport to ORD, you’ll likely be heading off on the Embraer RJ145. This flight number serves a number of different 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 AA4345 flight with Travelocity, please visit our Customer Service Portal.