Unless you think that the value of the stock will increase after you purchase shares of it in which case you can sell it and profit all before Delta Air Lines officially emerges from bankruptcy, you may as well flush your money down the toilet.
Even if the above scenario is possible and it is indeed possible, as Delta Air Lines stock (DALRQ) increased in value from a low price of 30’ per share to the current price of 74’ per share, whereby one could have theoretically greater than doubled ones money I still would not recommend buying Delta Air Lines stock at this time.