PORTLAND, Maine - The Portland International Jetport announced this morning that United Airlines is significantly expanding its route options from the Jetport this summer adding six new non-stop destinations. The new destinations are Cincinnati, Columbus (OH), Cleveland, Indianapolis, Milwaukee, and Pittsburgh. These six new destinations are in addition to the four non-stop destinations already served by United, Chicago, Denver, New York/Newark, Washington Dulles. The new flights start May 27, 2021.