Hong Kong-based airline Cathay Pacific and subsidiary Cathay Dragon have cancelled hundreds of flights and suspended check-ins for Tuesday.
The airline encourages customers to postpone nonessential travel through at least Wednesday.
Passengers with bookings arriving or departing Hong Kong between August 12-14 can change their flights without charges, as long as they book before August 18. Passengers can also cancel their travel for a full refund. Visit Cathay's site for more details.