Brief report:
Drove east on Benton Crossing Road and then took some 4WD roads to get to the western base. Started hiking at 10:30am and took the SW Ridge. Summited by 1:15pm and back to where I parked by 2:58pm (~ 4.5 hrs car-to-car). Perfect blue bird day. Awesome 360-degree views.
Additional info about climbing Glass Mountain can be found here.