Delta's bonds traded at around 67 cents on the dollar on Friday, traders said. With a claims pool estimated to be between $14 billion and $16 billion, current bond prices imply a valuation for the No. 3 U.S. carrier of $9.4 billion to $10.7 billion.
Assuming you go with the higher number, it looks like US Airways will need to come up with at least $1.5 billion more to make it legitimate.
The WSJ reported that Delta is going to offer the creditors some cash although less than US Air is offering. Therefore, the bulk of the value Delta is offering its creditors will be in the form of new Delta stock, the value of which at and after emergence from bankruptcy, is a big question mark.