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For more than 60 years, SONIC, America’s Drive-In has built the ultimate dining experience with our drive-in restaurants and we proudly serve our guests in Flower Mound, TX. We did it by sticking to what made drive-ins so popular in the first place: made-to-order American classics, signature menu items, and speedy service from friendly Carhops full of fun and personality. Cruise on over to us at 6210 Morriss Road for the ultimate SONIC experience!
Customers reported inconsistent food quality, with issues such as overcooked items, wrong orders, and missing toppings.
Service Issues
Many reviews highlighted poor customer service, including rude staff, slow service, and unresponsive management.
Order Accuracy
Frequent complaints about incorrect orders and missing items, with customers advised to check their orders before leaving.
Positive Experiences
Some customers praised the fast service and friendly staff, noting that certain locations provided a consistently good experience.
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Dennis Furber
Jan 6, 2026
5.0
Love the tater tots
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Andrew Rietz
Dec 7, 2025
1.0
Little to no effort in making the food. I ordered a ultimate meat burrito and it was smallest burrito as well as messy. This is ridiculous it was the same size as one french toast sick.....do better
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Elisa Camarillo
Nov 1, 2025
1.0
Ordered a vanilla milkshake, it was *rancid* like buttermilk.
Won't be returning.
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Sunny Han
Jun 12, 2024
1.0
My son buy this drink and look at what is in side pretty big size bug and also don’t know what is white egg looking … my son drank half of it this omg my Son say has Stomach pain… I hope Just a feeling…