Originally Posted by
GW McLintock
Thanks -- I was actually reading on another site (regularly updated) and they claim that the early morning hours actually have some of the longest lines

According to a few people there, I can indeed use the SENTRI lane with Global Entry.
I'm going to start another thread for Tijuana recommendations, but thanks for your advice!
-J.
Oh, I was referring to 1-3am. But for sure, a bit later than that is when day laborers are starting to queue up. You may want to visit this site for more info specific to San Ysidro:
https://bwt.cbp.gov/details/09250401/POV.