JetBlue will fly to 105 cities in 22 countries by the end of the year. The carrier began service this year in Minneapolis; Ontario, Calif.; Bozeman, Mont.; and Steamboat Spring, Colo. In February, JetBlue expanded its lie-flat Mint service to the transcontinental Seattle market. May saw the introduction of JetBlue's first reconfigured Airbus A320. And in July the carrier ordered 60 Airbus A220s, with which it will replace smaller Embraer regional jets. JetBlue introduced its 250th aircraft in November.