Going by Wikipedia, they saw the need for a new plane (the later named 787) by the late 90's, announced it in 2003 and delivered the first plane in 2011. https

Going by Wikipedia, they saw the need for a new plane (the later named 787) by the late 90's, announced it in 2003 and delivered the first plane in 2011. https://en.wikipedia.org/wiki/Boeing_787_Dreamliner https://en.wikipedia.org/wiki/Boeing_787_Dreamliner