Most Sonic Drive-Ins are open on weekends. Though Sonic is a fast-food chain, most Sonic Drive-Ins are locally owned, so hours of operation vary from location to location.
Depending on how much breakfast and late-night business they do, normal operating hours for the majority of Sonic Drive-Ins would be from 7 or 8 a.m. to 10 or 11 p.m., Monday through Sunday. Customers can search for Sonic locations at SonicDriveIn.com, where they can also find directions and phone numbers for each location. The most effective way to find out the weekend hours for a particular Sonic Drive-In is to call, although some Yelp listings might include hours.