I suspect those ACL limits were due to the need for extra fuel due to WX at destination, rather than departure airport temps. Those trips are at or near the practical range for the airplane, anyway. - RWM Matthew Montano wrote: > Very much so. > > I was traveling through in Phoenix Sunday afternoon and numerous long- > range CRJ900 flights were begging for pax to be volunteers as the > flight were over-booked. I knew full-well it was the heat. > > A couple of PHX-Missouri flights went out similarly light. > > My PHX-MEM CRJ900 Mesa flight went out with about 15 empty seats. > > Matthew > > On 23-Jul-06, at 5:55 PM, Ian Caldwell wrote: > >> With the extremely hot temperatures in the US west, I noticed Phoenix >> was >> 116 F, is density altitude affecting any airports / flight?