This undated photo from the 1940s provided by author and researcher Valerie van Heest shows a Northwest Orient plane in Milwaukee before it crashed in Lake Michigan in 1950.

American Airlines flight 3390 was diverted from Northwest Arkansas National Airport Sunday, according to one passenger.

When Northwest Orient Flight 2501 crashed, it was the worst aviation disaster in U.S. history.

In 1950, Northwest Orient Flight 25-01 vanished over Lake Michigan during severe weather, resulting in the deaths of all 58 people on board. Despite extensive searches, the wreckage was never ...

Northwest Orient Airlines Flight 2501, at the time the deadliest commercial airlines disaster in American history, disappeared when it flew into a storm over Lake Michigan on June 24, 1950.