• In this Nov. 29, 2015, file photo, travelers walk to their gates at O'Hare International Airport in Chicago. Airline schedule changes aren’t always a bad thing. Savvy travelers can use them to their advantage to book the flights they want without paying expensive change fees. (AP Photo/Nam Y. Huh, File)

    Taking advantage of airline schedule changes to save money

    NEW YORK (AP) — Airline schedule changes are often frustrating. Suddenly a mid-morning flight shifts to one leaving before sunrise or a leisurely layover turns into a mad dash to the next gate.