The Teamsters union representing UPS workers has voted overwhelmingly to authorize a strike if no agreement is reached on a labor contract before the current one expires July 31, raising the prospect of massive, nationwide disruptions in UPS deliveries.

“This vote shows that hundreds of thousands of Teamsters are united and determined to get the best contract in our history at UPS,” Teamsters General President Sean M. O’Brien said in a statement Friday. “If this multibillion-dollar corporation fails to deliver on the contract that our hardworking members deserve, UPS will be striking itself.”

Negotiations between the Teamsters and UPS began April 17. The current contract between UPS and the Teamsters union representing its rank-and-file workers will expire at midnight July 31.

A strike authorization vote does not necessarily mean a strike is imminent but is a way for a union to add pressure to a company and show a membership willingness to strike if negotiations are not met. 

“The strongest leverage our members have is their labor and they are prepared to withhold it to ensure UPS acts accordingly,” O’Brien said.

During negotiations this week, the two sides reached agreement on one of the key bargaining points: air conditioning. The company will provide cooling measures, including air conditioning, new heat shields and fans for the company’s vehicle fleet.  

“We have reached an agreement on heat safety with the Teamsters, which includes new measures that build on important actions rolled out to UPS employees in the spring, including new cooling gear and enhanced training,” UPS spokesman Jim Mayer said. “We care deeply about our people, and their safety remains our top priority.” 

Here’s what you need to know about the negotiations between UPS and the Teamsters and what it means for you. 

Who are the Teamsters? 

Bryan Trafford, of Teamsters Local 89, wrote a sign on a car window just before they drove around New Albany in a car caravan to demand better working conditions on Aug. 12, 2020.

The Teamsters are an international union that represents freight drivers and warehouse workers that was established in 1903 to improve working conditions and the operations of the trade they represent. 

The largest UPS Air hub globally is in Louisville, Kentucky, where Teamsters Local 89 represents roughly 10,000 UPS workers, including at UPS Worldport.