Flights are journeys made by aircraft, allowing people to travel quickly over long distances. They can be domestic, within a country, or international, crossing borders. Flights are scheduled by airlines, which operate various types of aircraft, such as commercial jets and private planes. Passengers typically book tickets in advance and check in at airports before boarding. Flights vary in duration, depending on the distance and route. Safety regulations are strictly followed, ensuring that travelers reach their destinations securely. Airports serve as hubs for these flights, providing essential services like baggage handling and customs clearance.