Flight time to Hawaii depends on the airport the flight departs from, the type of plane and the atmospheric conditions at the time of the flight. The shortest commercial flights to Hawaii from the mainland United States originate from San Francisco and usually take between 4 and 6 hours.
At a distance of approximately 2,340 miles, departures from SFO have the shortest distance to cover to get to Hawaii. According to USA Today, a private jet can make the trip in about 3 hours, but the slower jets that airlines use will generally take closer to 5 hours. When it is active, the jet stream can play a significant role in slowing down the trip westward.