News Summary: Delta orders 40 Airbus jets
NEW PLANES: Delta Air Lines Inc. ordered 40 new Airbus A321s and A330s.
OLD PLANES: Many of Delta's airplane purchases have been used models. Its new Airbus A321s are a version that Airbus is phasing out — but they're cheaper.
DELIVERY DATES: The first A330s arrive in early 2015. The new A321s are due in 2016.