Airport workers at JFK and LaGuardia are planning a midnight strike.

By Benjamin Snyder / Fortune
Updated: January 24, 2017
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Airport workers are set to strike Wednesday night at New York City’s LaGuardia and John F. Kennedy International airports in protest of what they view as below-fair wages in an era of climbing airline profits.

Bloomberg reported that the striking workers, who include security officers, baggage handlers and wheelchair attendants, will begin at 10 p.m. ET and return to work at 1 a.m Thursday morning.

“While the airlines have been making record profits and the Port Authority has approved billions of dollars to modernize LaGuardia airport, the airport workers who make these profits possible are struggling to survive,” reads a news release from the Service Employees International Union.

The strike is expected to be particularly rough on travelers flying Delta Airlines, which makes heavy use of both airports. A Delta spokeswoman told Bloomberg the airline “will be taking measures to ensure that our more than 35,000 customers booked through LaGuardia on Thursday are not affected.”

Other airlines likely to be affected by the strike include United Airlines and British Airways, among others.

This article originally appeared on Fortune.com.

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