A passenger information system comprising: a display system in a passenger cabin of an aircraft , wherein the display system comprises display devices associated with seats , each display device in the display devices associated with a seat in the seats ; and an information identifier configured to identify in-flight passenger information for the flight of the aircraft during the operation of the aircraft and substantially concurrently display a timeline and the in-flight passenger information in association with the timeline on the display system during the operation of the aircraft ; wherein the information identifier is configured to display the timeline and the in-flight passenger information in association with the timeline in a graphical user interface on the display system during the flight of the aircraft ; and wherein the information identifier is configured to customize a display of the timeline and the in-flight passenger information in association with the timeline with the in-flight passenger information for at least one of a particular passenger for the display or a particular seat for the display; wherein the in-flight passenger information includes at least one of a take-off time, a landing time, food-service, beverage service, a movie schedule, availability of lavatories, seatbelt usage, and device usage, or real-time cabin activity; and wherein the graphical user interface comprises graphical indicators , the graphical indicators comprising an aircraft indicator , a seat indicator , and first and second lavatory indicators ; and wherein the seat indicator is displayed in a location within the aircraft indicator , and wherein the first and second lavatory indicators are shown located at the front portion and back portion of the aircraft indicator , and further wherein the first and second lavatory indicators display availability of a lavatory located at the front and back portions of the aircraft , respectively. a display system in a passenger cabin of an aircraft , wherein the display system comprises display devices associated with seats , each display device in the display devices associated with a seat in the seats ; and an information identifier configured to identify in-flight passenger information for the flight of the aircraft during the operation of the aircraft and substantially concurrently display a timeline and the in-flight passenger information in association with the timeline on the display system during the operation of the aircraft ; wherein the information identifier is configured to display the timeline and the in-flight passenger information in association with the timeline in a graphical user interface on the display system during the flight of the aircraft ; and wherein the information identifier is configured to customize a display of the timeline and the in-flight passenger information in association with the timeline with the in-flight passenger information for at least one of a particular passenger for the display or a particular seat for the display; wherein the in-flight passenger information includes at least one of a take-off time, a landing time, food-service, beverage service, a movie schedule, availability of lavatories, seatbelt usage, and device usage, or real-time cabin activity; and wherein the graphical user interface comprises graphical indicators , the graphical indicators comprising an aircraft indicator , a seat indicator , and first and second lavatory indicators ; and wherein the seat indicator is displayed in a location within the aircraft indicator , and wherein the first and second lavatory indicators are shown located at the front portion and back portion of the aircraft indicator , and further wherein the first and second lavatory indicators display availability of a lavatory located at the front and back portions of the aircraft , respectively. <EOS>