A Delta Air Lines' Airbus A350-900 aircraft is displayed during an unveiling event for Delta's team ... [+] USA livery for the Paris 2024 Olympic Games, at the Airbus delivery centre in Toulouse, south-western France on May 2, 2024. (Photo by Ed JONES / AFP) (Photo by ED JONES/AFP via Getty Images)AFP via Getty ImagesDelta (NYSE: DAL) saw its net income surge by 3.5x y-o-y to $4.6 billion in 2023. This can primarily be attributed to higher revenues, lower fuel and interest costs, and a gain on the sale of s ...