Originally Posted by
SchmutzigMSP
It's primarily only used in inclement weather or for some of the heavies that are really loaded full. 12R/30L can handle the 744s most of the time and they like to use that when possible. But with it now closed, I don't see the 744s and other heavies using anything other than 4/22.
Even before the constrution, NW19 has been using 4/22 for take-off almost exclusively for the last few months. The A330's have not, but will most certainly begin now that 12R/30L is under construction. NW20, however, almost exclusively landed on 12R/30L.