Starbucks on Thursday reported record quarterly sales thanks to its robust U.S. business that helped make up for weakness in China and other markets. The Seattle coffee giant said its U.S. same-store sales—or sales at locations open at least a year—jumped 22 percent in the July-September period. Stores saw higher traffic and customers spent more on pricier cold drinks, which made up 75 percent of U.S. sales, and food, which saw sales climb 35 percent in the fiscal fourth quarter. “Routines are beginning to normalize,” said John Culver, Starbucks’ chief operating officer, on a conference call Thursday with investors. Now that children have returned to school in person, Starbucks’ peak hours have shifted back to the morning and early afternoon, Culver said. Stores in business districts—which were hardest hit during the pandemic—have returned to positive sales growth, he said. But some pandemic habits are persisting. Drive-thru and mobile ordering made up 70 percent …