If I have read things correctly I believe that the flight eventually did depart and went to Chicago without incident.
AMERICAN AIRLINES - Flight #4154 FLIGHT STATUS - ARRIVED
Detailed Flight Information
Carrier City Date Time Terminal Gate Baggage Claim Flight Status
Notification Scheduled Estimated Actual
AMERICAN AIRLINES OPERATED BY AMERICAN EAGLE SERVICE Departing CMH Columbus, 04/11/2006 7:00 AM 8:34 AM B33A
Arriving ORD Chicago, 04/11/2006 7:14 AM 8:53 AM T3 G17 10