First officer of flight with three passengers aboard had ` ` flulike '' symptoms . Flight attendant with commercial pilot 's license assumed command . Plane landed safely at O'Hare International Airport in Chicago , Illinois . American Airlines flight 's first officer has been treated and is recovering .
First officer of flight with 225 passengers aboard had `` flulike '' symptoms . Flight attendant with commercial pilot 's license assumed role . Plane landed safely at O'Hare International Airport in Chicago , Illinois . American Airlines flight 's first officer has been treated and is recovering .