Originally Posted by
songzm
In my opinion this is a easier transcon flight to get upgrade,because of total F+C seats usually have 50+ seats.
And when I took this flight at 2010 Dec 28, I got UDU(as CO Gold) at 72 hours clear window.
975 is a bear and half to clear as while it is a widebody, it is more often than not, either a 2 cabin 777 or 2 cabin 67 and if you get a 3 cabin, you generally had an a/c swap. Also, this is an end of the day hub to hub flight which adds to the difficulty plus this flight (along with 914 SFO-IAD in the morning) is politician heavy and they will be upgraded before anyone as most are GS and 1k by nature of who they are. So with all of the above, and imho, this is one flight (along with 914) that would not chance UDU if you have miles or a CR1 to use.