Delta Air sees fourth-quarter passenger unit revenue up about 4 pct

NEW YORK, Dec 14 (Reuters) - Delta Air Lines Inc said on Thursday it expected fourth-quarter passenger unit revenue, a closely watched measure, to be at the top end of its previous forecast.

The No. 2 U.S. airline said it expected passenger unit revenue, which compares sales to flight capacity, to be up 4 percent for the current quarter, compared with its previous forecast of a rise of 2 percent to 4 percent. (Reporting by Rachit Vats; Editing by Lisa Von Ahn)