"Flight 828" is a fictional airline flight featured in the television series Manifest. The story begins when the flight, traveling from JFK Airport in New York to Montego Bay, Jamaica, experiences a turbulent journey and lands after a five-and-a-half-year absence. The passengers and crew are shocked to discover that they have not aged, while the world around them has moved on. The series explores the lives of the passengers as they try to reintegrate into society and understand the mysterious events surrounding their flight. They begin to experience visions and premonitions, leading them to uncover deeper connections and secrets related to their disappearance.