Be patient. Have a whole year remaining
I had just realized my first 10 segments with UA in the first 13 days of the year are all different (origin/destinations):
EWR-LAX
LAX-SFO
SFO-EWR
EWR-BNA
BNA-SFO
SFO-MRY
MRY-SFO
SFO-LAX
LAX-EWR
EWR-SFO
And on the 11th flight, SFO-JFK (with someone other than UA, duh!)