The number of airline seats available for Hawaii travel this fall could drop as much as 13.3%.
The Hawaii Department of Business, Economic Development and Tourism said 2.1 million seats are scheduled on nonstop flights to Hawaii from August through October.
Flights from the U.S. mainland could decrease 15%, or 1.5 million; that includes a 16.5% visitor drop from the west.
The number of available seats from Las Vegas could drop to 40.8% to just 48,576 scheduled seats.
The DBEDT expects arrivals from Oakland, Calif., to be down 76.4%, or 25,080; from Sacramento, down 36%; and from San Diego, down 45%. Los Angeles is projected to be down nearly 9.8% to 460,955 seats.
Flights from the eastern U.S. are expected to drop 6.4%.
Japan flights may drop 13.6%, to 401,613 seats. Meanwhile, from Australia, flights from Sydney and Auckland will have 25% fewer seats.
But forecasts for Canada and the Philippines offer a bright spot: Flights from Canada will be up 17%, and from Manila, 138%, the DBEDT predicted.
Air seats to Honolulu and Kahului, Maui could fall 12.3% and 22%, respectively. Kauai could see as much as a 22.8% increase.
The DBEDT based its figures on the scheduled flights from the Official Airline Guide's July flight schedules.