Let's check out the charts of DAL.
In the daily Japanese candlestick chart of DAL, below, we can see how prices have been cut down by two-thirds in the past two months -- from round $60 to around $20. The slopes of the 50-day moving average line and the 200-day moving average line are negative.
The daily trading volume has been very heavy since late February but still does not suggest the worst is over. Notice the new low on the On-Balance-Volume (OBV) line?
The Moving Average Convergence Divergence (MACD) oscillator crossed to the upside for a cover shorts buy signal but that positive signal looks like it will be short-lived as a new sell signal is shaping up.
This long term weekly Japanese candlestick chart of DAL, below, indicates that prices could decline to the $10 area in the weeks and months ahead.
In this weekly close only Point and Figure chart of DAL, below, we can see that a weekly close at $21 will refresh the downtrend. The software shows a possible downside price target of $0 (zero) but I doubt things will get that bad.
Bottom-line strategy: The charts of DAL are not yet telling us to recommend the long side. Avoid.