Delta Air Lines (NYSE:DAL) and Southwest Airlines (NYSE:LUV) are making headlines today after issuing key updates.Delta Air Lines stock was last seen trading 4.3% lower at 48.15,afterslashingitsfirst−quarterrevenueandearningsguidance,citingweakdomesticdemand.Theairlinenowexpectsrevenuegrowthofnomorethan51 forecast. Since the start of 2025, DAL has taken ...