Just a little more than three months after McDonald’s launched its all-day breakfast at all locations in the United States, the quick service restaurant chain has seen a turnaround in its financial performance.

The company recently released its financial results for the fourth quarter of fiscal year 2015, which revealed that sales at U.S. stores open for at least 13 months jumped 5.7 percent for the quarter ended December 31. According to a report from Yahoo Finance, that is the best performance for U.S. same-store sales figure the chain has reported in nearly four years.  


“All-day breakfast was clearly the primary driver of the quarter,” Steve Easterbrook, McDonald’s CEO, told investors on a post-earnings conference call. “We knew it would be.”

Even in its earlier stages, McDonald’s officials had seen a significant positive impact on adding all-day breakfast. Speaking at the  American Egg Board meeting in Rosemont, Illinois, on November 12, Lance Richards, vice president, McDonald’s Menu Innovation Team, reported that restaurant foot traffic and revenue had increased as a result of offering breakfast items at all times of the day. He also praised the egg industry for its partnership and support in the decision, which made eggs an all-day feature on the menu.