LONDON—Airlines for America (A4A) CEO Nick Calio believes there will be further progress in UK-U.S. air services talks by April, as the UK prepares to exit from the European Union (Brexit) next year. Speaking at UATP’s Airline Distribution 2018 event here, Calio said negotiators are planning to meet again soon and prospects for a deal are positive. “The political will on the UK side and the U.S. side is very significant to get something done,” Calio said. “I ...