Delivery-Restaurants
Avanti (Pizza and Italian) - http://www.avantipizzafreshpasta.com/ Sun-Thu (11AM - 9PM) Fri~Sat (11AM - 10PM)
Siam Orchid (Thai) - http://siamorchidpa.com/ Sun (4PM - 10PM) Mon-Sat (10AM - 10PM)
Jing Jing (Chinese) - http://www.jingjinggourmet.com/ Sat-Sun (4:30PM - 9PM) Mon-Fri (11:30AM - 2:00 AM / 4:30PM - 9:30PM)
Pasquale's (Pizza and Italian) - http://www.portolavalleypizza.com/ (11AM - 10PM)
Pizza My Heart - http://pizzamyheart.com/Pizza_My_Heart_Locations.html#PaloAlto (will deliver to SLAC for large orders) (11AM - 10PM)
Waiters on Wheels - http://www.waitersonwheels.com/restaurants/index/location_id:2
Another helpful link http://palo-alto.eat24hours.com/stanford
Online-Ordering-Restaurants
Erics http://www.ericsgourmet.com/ Sun (10AM - 3PM) Mon-Sat (10AM - 4PM)