American Airlines Flight 3603 Deals & Information (2025/2026)

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

American Airlines Flight 3603 Route Deals From $153

The cheapest prices found with in the last 7 days for return flights were $207 and $153 for one-way flights to Asheville Regional for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number AA3603 take?
AA3603 flies direct between CVG Airport and ORD in 1 hour and 31 minutes. It can sometimes be used on other routes though, some of which could be multi-stop flights. Keep an eye out for this when locking in your seat to avoid any confusion.
What kind of plane is on flight number AA3603?
It's more than likely you'll be hopping on board an Embraer RJ145 if you're taking flight AA3603 from Cincinnati - Northern Kentucky Intl. Airport (CVG) to O'Hare Intl. Airport (ORD). It's the most commonly used aircraft model 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 AA3603 flight with Travelocity, please visit our Customer Service Portal.