A passenger walks through the Frankfurt airport during a nationwide protest of Lufthansa ground personnel at Frankfurt Airport on April 22, 2013 in Frankfurt, Germany. - 

Ground staff at Lufthansa, Germany's biggest airline, walked off the job Monday on a one-day strike that prompted the company to cancel most of the day's scheduled flights.

The BBC's Steve Evans joins Marketplace's Stacey Vanek Smith to discuss the disruption and why Lufthansa's workers are striking.

The Associated Press contributed to this report.