Popular burger chain Shake Shack has announced plans for a massive expansion. The company said one of its long-term goals is to expand the chain from its current 329 corporate-owned Shacks to at least 1,500 over time.

Shake Shack has tripled its planned number of stores to 1,500 as the fast-casual chain’s popularity grows. The restaurant also recently partnered with Delta Air Lines to serve its burgers to passengers.

Locations for the new restaurants have not been announced but the chain told Fox Business it was “looking at 20 priority markets and growing more in its existing regions.” It plans to open about 45 company-operated locations and as many as 40 licensed ones in 2025.

Shake Shack, which was operating 329 locations at the end of fiscal year 2024, aims to increase that number to ‘at least’ 1,500 over the long term, the company announced on Monday. The 329 restaurants together had ‘marked improvement in our profitability and returns’,