India, April 9 -- Shares of Delta Air Lines Inc. were gaining around 4 percent in the pre-market activity on the NYSE after the airline reported Wednesday higher first-quarter results, above market estimates. The company also issued second-quarter outlook, and said it is not reaffirming or updating its previously given outlook for fiscal 2025 due to the lack of economic clarity.

Delta noted that 2025 is playing out differently than it expected at the start of the year. The firm will provide an update later in the year as visibility improves.

Ed Bastian, Delta's chief executive officer, said, "With broad economic uncertainty around global trade, growth has largely stalled. In this slower-growth environment, we are protecting margins and ca...