The union representing 340,000 UPS workers said Tuesday that its members voted to approve the tentative contract agreement reached last month, putting a final seal on contentious labor negotiations that threatened to disrupt package deliveries for millions of businesses and households nationwide.

The Teamsters said in a statement that 86% of the votes casts were in favor of ratifying the contract. They also said it was passed by the highest vote for a contract in the history of the Teamsters at UPS.

[They are aiming at Amazon next, according to Teamsters president Sean M. O’Brien. That’s been a favorite target of unions for a long time, and in this era of inflation, it might be ripe for union organizing. — Ed]