Frontier Airlines selects RTX's Pratt & Whitney GTF engines to power 91 Airbus A321neo aircraft

• Pratt & Whitney, an RTX (NYSE:RTX) business, and Frontier Airlines (NASDAQ:ULCC) on Monday announced the selection of Pratt & Whitney GTF engines to power 91 Airbus (OTCPK:EADSF) A321neo aircraft, with the first of these aircraft