Originally Posted by Going Boeing
It has significantly greater wing sweep than the A330/A340 which is the M0.81 types that I was referring to.
You were originally trying to suggest the 787 was faster than the A350 for crew duty limits. It does not have significtly greater wing sweep, about 1 degree, 31.1 vs 32.2, 777 is 31.6. The A350 has around 3 degrees more sweep at 35 degrees.