Originally Posted by
lexdevil
Thanks for the credit...
As mentioned before, the newest 747 will also be doing some domestic legs (likely SFO-IAD) before flying international, but since none of the flight are operated by the 747 now, it hasn't been published which flights will be subbed. Remember, the first reburbished 747 was subbed for Flight 141 IAD-ORD for almost a week - an upgrade from A319 to B747.