Air Canada suspended service on six routes—both domestic and cross-border—as the Middle East war drives up fuel costs. Jet fuel prices have more than doubled since the Iran conflict began, making lower-margin routes unprofitable; the suspension affects roughly one percent of Air Canada's annual capacity. The International Energy Agency warned Europe may have only six weeks of remaining jet fuel supplies if oil supply disruptions from the Iran war continue—a signal that global aviation fuel constraints could intensify pressure across the industry.