The timing of Sonic Happy Hour is carefully chosen and plays a big role in why its such a success. Running from 2 PM to 4 PM daily, the Happy Hour window hits right when people are in need of a little pick-me-up. Whether youre a student finishing up classes, a worker needing an afternoon energy boost, or a parent on the way to pick up kids from school, this timeframe is perfect for grabbing an affordable snack or drink. Most fast-food chains struggle to bring in crowds during the middle of the afternoon, but Sonic has solved that problem by turning it into the most exciting time of the day. Whats even smarter is Sonics expansion of this deal into the digital space through the Sonic app, where users can access Happy Hour pricing all day long. This means if youre someone who craves an icy slush first thing in the morning or late in the evening, you can still enjoy those same discounted prices by ordering online.