Fan FavoriteSonic Drive-In • Drinks & Slushes
Route 44 Slush
Nutrition Information
* Nutritional values are approximate and may vary by location and preparation. Source: Sonic Drive-In official website.
Sonic famous 44-ounce slush in your choice of flavor. The ultimate drive-in drink.
Everything You Need to Know About Sonic Drive-In Route 44 Slush
The Route 44 Slush is named after the 44-ounce cup size. Any flavor of slush available at Sonic, delivered in the largest cup they offer. During Happy Hour from 2 to 4 PM daily, the price drops to approximately $2.
How to order Route 44 Slush at Sonic Drive-In
The Route 44 Slush is available for dine-in and takeout at Sonic Drive-In locations across the United States, and through the chain's own app or delivery partners in most markets. Before you order, it is worth checking the current Sonic Drive-In deals in case this item is part of a running promotion.
Sonic Drive-In Route 44 Slush price in 2026
The Route 44 Slush is listed at $3.99 on the Sonic Drive-In menu we track. That figure is a guide rather than a guarantee: most fast food chains let individual franchises set their own prices, so the same dish can cost noticeably more in high-rent city centres than in smaller markets, and airport or stadium locations sit higher again. Menu boards and the official app are always the final word for your specific restaurant. We re-check the full Sonic Drive-In menu and refresh this page when prices move.
💡 Pro Tips for Ordering Route 44 Slush
- 1Half price during Happy Hour 2-4 PM daily
- 2Mix flavors or add vanilla cream for extra richness
Frequently Asked Questions About Sonic Drive-In Route 44 Slush
Q:How big is the Route 44?
44 ounces: Sonic's largest drink size.
Q:What flavors are available?
Cherry, watermelon, grape, blue raspberry, lime, strawberry, and more. You can mix flavors.
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About Sonic Drive-In - Fast Food Restaurant
Sonic Drive-In is one of America's most popular fast food restaurant chains.America's Drive-In since 1953, famous for tater tots, cherry limeades, slushes, and made-to-order burgers with Happy Hour half-price drinks every day 2 to 4 PM. With hundreds of locations across the United States, Sonic Drive-Inserves millions of guests every week who return for the quality, consistency, and value the brand delivers.
The Route 44 Slush is just one of many excellent choices available on the Sonic Drive-In menu. Whether you are visiting for the first time or you are a regular, USA Food Journal has you covered with up-to-date pricing, nutrition information, and insider tips for every item. Explore the full Sonic Drive-In menu to discover everything available, from appetizers to desserts.
Looking to save on your next visit? USA Food Journal tracks the latest Sonic Drive-In coupons and promotional codes updated daily. You can also compare menus and prices across all major US chains on our all restaurants page.