Solar Plane Takes Off on Last Leg of Historic Cross-Country Flight

Solar Impulse Over California Runway
Solar Impulse flies over the runway at Moffett Airfield in California shortly after takeoff on May 3, 2013.
(Image credit: Solar Impulse)

A solar-powered airplane is poised to complete an historic cross-country flight across the United States this weekend, after taking off on the last leg of its journey this morning (July 6) from Washington, D.C.

The plane, called Solar Impulse, departed Washington Dulles International Airport at 4:46 a.m. EDT today, and is expected to reach New York City early Sunday (July 7), at 2 a.m. EDT, after approximately 21 hours in the air. The aircraft is scheduled to land at John F. Kennedy International Airport.

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Denise Chow
Live Science Contributor

Denise Chow was the assistant managing editor at Live Science before moving to NBC News as a science reporter, where she focuses on general science and climate change. Before joining the Live Science team in 2013, she spent two years as a staff writer for Space.com, writing about rocket launches and covering NASA's final three space shuttle missions. A Canadian transplant, Denise has a bachelor's degree from the University of Toronto, and a master's degree in journalism from New York University.