A Korean Airlines Airbus 380 sits on the tarmac in this undated file photo. (Philipp Guelland/dapd/AP)

A 64-year-old woman on a Korean Air flight to New York's John F. Kennedy Airport died in flight, according to reports.

She was traveling from Seoul, South Korea, aboard Flight 81 Sunday. The flight was scheduled to land at 11:20 a.m. and was met by emergency responders.

She appeared to have died from a heart attack, a source told the New York Daily News.

It's unclear how far into the flight the woman died.

In June, a woman was forced to fly next to a corpse for three hours on a Kenya Airways flight from Amsterdam to Tanzania when a man died during the overnight flight.

The man was reportedly sweating and having seizures but the plane took off anyway.

In that case, the cabin crew reportedly laid the body across three seats and covered him, "but left his legs and feet sticking out." With nowhere else for her to sit, Lena Pettersson was forced to sit across the aisle from the deceased man for the rest of the flight.

"Of course, it was unpleasant, but I am not a person who makes a fuss," Pettersson told the Swedish tabloid Expressen.

She was given a partial refund from the airline, about half the cost of her ticket.