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JetBlue, the sixth-largest airline in the United States by flight numbers this September, has seen its network activity decline compared to last year. According to Cirium Diio data, JetBlue averages 725 daily takeoffs and landings. The carrier accounts for 2.4% of U.S. domestic flights, 8.1% of short-haul international flights, and 2.2% of transatlantic services.
Compared to September 2024, JetBlue's overall operations have decreased by about ten percent. Despite this reduction, schedule analysis indicates that JetBlue is operating 233 routes this month—154 domestic and 79 international—down from 239 a year ago.
The airline’s top ten routes for September show notable changes in both frequency and ranking. The leading route is now New York JFK to Los Angeles, which replaced Boston-Washington Reagan as JetBlue’s busiest city pair. This shift comes after a significant reduction in service on the Boston-Washington Reagan route; departures dropped from 319 each way last year to 214 now—a third less than before. The decrease follows the end of JetBlue’s Northeast Alliance with American Airlines, resulting in JetBlue falling from the largest operator on that route to third place behind Delta and American.
