A suspected medical problem with a passenger on a Delta Airlines flight led emergency crews to quarantine the plane at Midway Airport on Thursday.

When aviation missionary Gaston Ntambo receives a call for an emergency medical flight in the Democratic Republic of the Congo, he must first get permission to fly to neighboring Zambia to obtain fuel.

Monkey business held up a Beijing-bound flight at Kennedy Airport nearly four hours yesterday. A monkey escaped its crate in the cargo hold of an Air China Boeing 747 scheduled to leave Terminal 1 at 4:50 p.m., said Port Authority police. Port Authority emergency services officers and an...