Originally Posted by
twoaisleplane
Per a post on a.net, the first flight is 914 SFO-IAD on April 23rd (this Friday), returning that same day as 975 (IAD-SFO).
United Cargo lists those flights as "77Q".
The seat maps still reflect the old configuration, but the flights are zeroed out in F and C, even though empty seats remain.
Now that FAA certification has been completed I'd expect to see new seat maps loaded tonight.