DUBAI, United Arab Emirates—Long-haul carrier Emirates said Thursday it will resume its Boeing 777 flights to the United States after halting its use of the aircraft there over concerns new 5G services in America could interfere with airplane technology that measures altitude. International carriers that rely heavily on the wide-body Boeing 777, and other Boeing aircraft, canceled early flights or switched to different planes Wednesday following warnings from the Federal Aviation Administration and the Chicago-based plane maker over possible interference with radio altimeters. The FAA gave approval late Wednesday for more types of planes to land in low visibility near 5G signals, including the Boeing 777. Among the most-affected airlines by the FAA decision was Dubai-based Emirates, a crucial East-West travel airline which flies only the 777 and the double-decker Airbus A380. Emirates said its Boeing 777 service to Chicago, Dallas Fort Worth, Miami, Newark, Orlando, and Seattle would resume …