CHICAGO, 2016-Feb-08 — /Travel PR News/ — United Airlines will offer nonstop service between Chicago O’Hare International Airport (ORD) and Great Falls, Montana (Great Falls International Airport (GTF)) from June 11 to August 14, 2016. The summer service will operate on Saturdays and Sundays using a 70-seat CRJ-700 aircraft. Both Saturday and Sunday flights depart Chicago… Read the full press release