Sonic Drive-In
$ • Fast Food, Burgers, Ice Cream
Hours:
1495 N Mountain Ave, Ontario
(909) 295-4509
About Sonic Drive-In
Customers' Favorites
Supersonic Double Cheeseburger
Hand-Mixed Master Shakes
Soft Pretzel Twist
Mozzarella Sticks
Tots
Sonic Drive-In Reviews
Ratings
Hours
| Monday | 10AM - 1AM |
| Tuesday | 10AM - 1AM |
| Wednesday | 10AM - 1AM |
| Thursday | 10AM - 1AM |
| Friday | 10AM - 2AM |
| Saturday | 10AM - 2AM |
| Sunday | 10AM - 1AM |
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Sonic Drive-In is a popular spot with a retro feel and modern cleanliness. The service is usually friendly, though there have been some issues with order accuracy and speed. The menu features classic Sonic items like the jalapeño burger, which is well-liked, as well as popcorn chicken, which can be hit or miss. Customers appreciate the convenient location, ample parking, and the option to order ahead on the app. While the overall experience is generally positive, the restaurant may benefit from additional staff training to ensure a more consistent level of service. Despite occasional hiccups, Sonic remains a reliable choice for classic American drive-in fare.