CHICAGO — Workers at Chicago’s O’Hare International Airport are expected to walk off the job over union rights and an hourly wage of $15. Meanwhile across the globe, Pilots at German ******* Lufthansa are on ****** again after a two-day ******** their campaign of walkouts.

About 500 workers have committed to the ****** on Tuesday. They include cabin cleaners, janitors, wheelchair attendants and ******* handlers.

The workers are employed by private contractors. ****** organizers say many work for minimum wage. They’re trying to unionize with the help of Service Employees International Union Local 1.

Organizers say they expect delays and **********, particularly for United and American airlines. But Chicago Department of Aviation officials say they don’t anticipate disruptions.

The ****** is part of a nationwide campaign for higher hourly wages, including for workers at other airports and fast-food restaurants. Thousands plan to walk off the job at McDonald’s restaurants.

Pilots at German ******* Lufthansa are on ****** again after a two-day ******** their campaign of walkouts.

The company has cancelled 816 short-haul flights scheduled for Tuesday. The walkout by the Cockpit union is to be followed Wednesday by a ****** hitting both short-haul and long-haul services.

Lufthansa has cancelled 890 flights scheduled Wednesday.

The strikes follow four consecutive days of walkouts last week. Lufthansa and Cockpit are far apart in a pay dispute that has dragged on for more than two years.

Lufthansa on Monday failed to persuade a Munich court to issue an injunction blocking the latest ******. The company says that around 82,000 passengers will be affected by Tuesday’s walkout and 98,000 by Wednesday’s.