Delta just leveled up first class: Shake Shack, chips & a brownie included 🍟🍫🍔 Participating airports: Atlanta (ATL) Boston (BOS) Las Vegas (LAS) Los Angeles (LAX) Miami (MIA) Minneapolis-St. Paul (MSP) New York City (JFK) New York City-LaGuardia (LGA) Orlando (MCO) Salt Lake City (SLC) San Francisco (SFO) Seattle (SEA) 📷 delta shakeshack #shakeshack #burgers #delta #deltaairlines #airplane #firstclass