Bombardier said the revised forecast is the result of delayed engine deliveries from its supplier, Pratt & Whitney.

After years of delay and at least $2 billion in cost overruns, Bombardier's CSeries program is finally getting off the ground with delivery of the aircraft to Swiss International Air Lines, the first carrier to accept the plane.

After years of delay and big cost overruns, Bombardier's CSeries program is finally getting off the ground with the delivery of its first aircraft to Swiss International Air Lines.