from Chicago to New York

American Airlines seems to offer al least 9 daily flights from Chicago (ORD) to New York LaGuardia airport (LGA) in 2010 and each of those flights seems to be with an MD-80.

American Airlines seems to offer 4 daily flights from Chicago (ORD) to New York Newark (EWR) in 2010. Most of these flights are with MD-80. Also the Boeing 737-800 is used.

American Airlines seems to offer just one daily flight from Chicago (ORD) to New York JFK in 2010. This flight seems to be with a Boeing 757-200 and leaves Chicago at 1:10 pm and arrives in New York at 4:25 pm.