Delta Air Lines (DAL) closed at $39.20 in the latest trading session, marking a +1.19% move from the prior day. The stock's performance was ahead of the S&P 500's daily loss of 0.34%. Elsewhere, the Dow gained 0.03%, while the tech-heavy Nasdaq lost 0.56%.Shares of the airline have depreciated by 0.51% over the course of the past month, underperforming the Transportation sector's gain of 2.57% and the S&P 500's gain of 2.56%.The investment community will be closely monitoring the performance of Delta Air Li ...