28 April 2016
Bombardier Commercial Aircraft and Delta Air Lines, Inc. of Atlanta, Georgia (Delta Air Lines) announced today that the parties have executed a firm agreement for the sale and purchase of 75 CS100 aircraft with options for an additional 50 CS100 aircraft. Delta Air Lines may elect to convert a number of these aircraft into CS300 at a later date. 

Based on the list price of the CS100 aircraft, the firm order is valued at approximately $5.6 billion US.

See the full article at Bombardier