With a shortage of pilots and other staff, some airlines are cutting back flight schedules. Travelers can expect long lines, packed planes and much higher air fares.

Airlines are shifting flight schedules more than ever Consumer reporter John Matarese looks into why, and how to protect yourself so you don’t waste your money.

Flight attendants may band together, sometimes referred to as a “cartel,” and hoard the more desirable trips on their schedules as a means to barter for better layovers or trips with their ...