Shake Shack Burgers Are the Newest Perk in Delta’s First Class

That pricey first-class airline ticket will soon come with a new perk: fast food.

Delta Air Lines Inc. is partnering with restaurant chain Shake Shack Inc. to offer cheeseburgers as an in-flight meal starting next month. The option will be available initially to first-class passengers on flights over 900 miles out of Boston, with more markets to follow in 2025, according to a statement Tuesday.