Which of the following is NOT a component of a flight plan?

A flight plan typically includes all essential information that guides a pilot during the flight. Among these components, the route specifies the pathway to be followed, the estimated flight time provides an approximation of how long the flight will take, and fuel requirements indicate how much fuel is necessary for the trip, taking into account expected consumption and reserves.

Weather reports, while crucial for pre-flight preparation and safety considerations, are not an official part of a flight plan. They are used to inform the flight planning process but do not form a formal component that the pilot submits to air traffic control. Therefore, selecting weather reports as the item that is not included in a flight plan is correct, as it highlights the distinction between planning for safety and the regulatory requirements of filing a flight plan.