The flight duration from Hawaii to Japan typically ranges around 8 hours and 16 to 28 minutes for direct flights. For example, a flight from Hawaii to Tokyo takes about 8 hours and 16 minutes, assuming an average commercial airliner speed of 500 mph, including take-off and landing time

. Flights specifically from Honolulu to Tokyo generally take about 8 hours and 26 to 27 minutes

. Flight times can vary slightly depending on wind speeds, exact flight path, and specific airports involved. The distance between Hawaii and Japan is approximately 3,880 to 3,980 miles (about 6,250 to 6,406 kilometers)

. In summary:

• Hawaii to Japan: ~8 hours 16 to 28 minutes
• Honolulu to Tokyo: ~8 hours 26 to 27 minutes

These times are for actual flying time and do not include taxiing, airport wait times, or potential delays