Airlines canceled more than 75,000 flights this summer over a 10-day period, according to the aviation analytics firm Cirium. On Tuesday, Cirium released an analysis of flight schedules between June 1 and September 30, comparing what those schedules looked like on April 24 versus May 4. During those 10 days, airlines around the world removed more than 9.3 million seats, per Cirium. US carriers accounted for the four largest reductions. About 70% of the removed seats, or 33,000 flights, came