Flying out of SJC tomorrow, so spending the night near the airport. I wandered in to "Pho Viet" at 1751 N 1st Street. Nice broth, quality meat, an service was quick. The best part is their hours, weekdays till midnight, weekends till 2am. Typical noodle house tables and decor, but well lit.
http://www.pho-viet.com/