Question: Quincy Regional Airport, is a city owned public airport 12 miles east of Quincy, a city in Adams County, Illinois, it is used for general aviation but also sees which American airline headquartered in Fort Worth, Texas, within the Dallas-Fort Worth metroplex?
Sentence (from "American Airlines"): It is the world's largest airline when measured by fleet size, revenue, scheduled passenger-kilometers flown, and number of destinations served.
Relevant evidence: No