Airlines spent 56.4% more on jet fuel in month after Iran war started, U.S. government says

A technician prepares to refuel a Delta Airlines aircraft at the Austin-Bergrstrom International Airport on April 10, 2026 in Austin, Texas. Brandon Bell | Getty Images U.S. airlines spent 56.4% more on jet fuel in March, the month after the U.S.-Israel strikes on Iran began, than they did in February, U.S. government data released Wednesday show. U.S. carriers spent $5.06 billion on fuel in March, up from $3.23 billion in February. …