Seven people were killed and just one person miraculously survived after a private jet flipped upside down and crashed as it was taking off in heavy snow in Maine, officials said Monday.

Bangor International Airport will be closed until Wednesday as federal investigators began their inquiry into the crash of a private jet during Sunday’s winter weather that killed six people.

Throughout the weekend, the vast storm dumped sleet, freezing rain and snow across much of the eastern half of the U.S., halting much air and road traffic and knocking out power to hundreds of thousan...