Airlines across the world, including the long-haul carrier Emirates, rushed Wednesday to cancel or change flights heading into the U.S. over an ongoing dispute about the rollout of 5G mobile phone technology near American airports.

The issue appeared to impact the Boeing 777, a long-range, wide-body aircraft used by carriers across the world. Two Japanese airlines directly named the aircraft as being particularly affected by the 5G signals as they announced cancellations and changes to their schedules.

Dubai-based Emirates, a key carrier for East-West travel, announced it would halt flights to Boston, Chicago, Dallas-Fort Worth, Houston, Miami, Newark, New Jersey, Orlando,