A female passenger died Tuesday on an Alaska Airlines airplane at Kansas City International Airport.
According to the Kansas City Police Department, firefighters responded to KCI after being notified of a medical emergency on Alaska Airlines Flight 478.
Police say the woman appeared to be undergoing cardiac arrest. By the time firefighters arrived, she was pronounced dead.
According to the airline's website, the flight was nonstop from Seattle to Kansas City.
As of early Tuesday evening, Alaska Airlines had not released a statement or posted any notifications of flight delays or cancellations from KCI.
Police say the exact cause of death won't be known until after an autopsy. They expect no foul play was involved.