Hong Kong Airlines recently filed schedule changes, which sees Airbus A350-900XWB operation scheduled until 10FEB20* (HKG departure). From 03FEB20 to 10FEB20, A350 operation as follows.
Hong Kong – Los Angeles 06FEB20
Hong Kong – Vancouver 03FEB20 / 05FEB20 / 07FEB20 / 08FEB20 / 10FEB20
Although the airline is not listing scheduled A350-900XWB service between 12FEB20 and 24OCT20, it is likely the airline may operate the aircraft as last minute changes when needed.
* The airline is listing A350 service from 25OCT20 as default schedule.