Sit on the Left side of the plane for the best views on flights from Ontario to Chiayi. Takeoff scenery from Ontario is more visually dramatic with the San Gabriel Mountains providing immediate, striking views. While landing views into Chiayi are pleasant, the westbound Pacific crossing offers minimal scenic landmarks—mostly open ocean. Left side at takeoff provides the most memorable window experience.

During takeoff from Ontario International (ONT), sit on the Left side for the best views. Left side offers views of the San Gabriel Mountains immediately north of Ontario, with the sprawling Los Angeles basin spreading westward. Right side faces inland desert with less dramatic terrain. Notable sights include: San Gabriel Mountains, Los Angeles basin extending to the Pacific coast, San Bernardino Valley to the east, Inland Empire urban sprawl.

When landing at Chiayi (CYI), sit on the Right side for the best views. Right side provides views of Taiwan's western coastal plain and the Chiayi area during descent. Left side faces the Taiwan Strait and offers less distinctive scenery during final approach into Chiayi. Notable sights include: Chiayi Plain agricultural fields, Taiwan's western coastline, Alishan Mountains to the east, Taiwan Strait.

The flight from Ontario International (ONT) to Chiayi (CYI) takes Approximately 13-14 hours.

The flight path crosses the Pacific Ocean heading west-southwest. Notable geographic markers include: the California coast receding eastward during initial climb (Santa Catalina Island and Channel Islands visible from higher altitudes); the open Pacific Ocean for approximately 10-11 hours with no significant landmarks; approaching Taiwan, the Ryukyu Islands chain may be visible to the north depending on exact routing; the Taiwan Strait separates the mainland from Taiwan; arrival over Taiwan's western coastal plain with the Alishan Mountains visible inland to the east.