The Boeing Company delivered the first Next-Generation 737-900 to Continental Airlines May 31, 2001, making Continental the second airline this month to receive the newest model of the 737 family. With this delivery, Continental becomes the first domestic customer to operate three of the four Next-Generation 737 models: the 737-700, 737-800, and the 737-900. The airline has 15 737-900s on order. Boeing will deliver 10 of the new aircraft this year and another five in 2002.