CHICAGO — A strike by hourly workers at O’Hare International Airport in Chicago will add another dimension to a nationwide day of protests by fast-food employees who have been pushing for a $15 hourly wage and union rights, organizers said Monday.

Thousands of workers plan to walk off the job at McDonald’s restaurants and other fast-food spots in more than 340 cities on Nov. 29, organizers said in a news release. The planned “Day of Disruption” will mark the fourth anniversary of the first protests at McDonald’s restaurants in New York.

The attention-grabbing airport strike is “going to cause complete disruption in travel plans for the day and maybe days to come,” said Kendall Fells, national organizing director of the Fight for $15 campaign. “Four decades ago, airport jobs were jobs you could live off of. Now airport jobs are just like fast-food jobs. We’re all standing together.”

The Service Employees International Union announced Monday that hundreds of workers will strike that day at O’Hare, one of the nation’s busiest airports. The union has helped fund and staff the Fight for $15 campaign.

O’Hare is the only airport where workers plan to strike, though organizers are planning protests at airports in 18 other cities, including Boston, Washington, D.C., Denver, Atlanta, Seattle and Los Angeles.

About 500 O’Hare workers committed to a strike.