The growth of the Internet allows airline flight status and information to be at anyone's fingertips in seconds. Various websites offer the ability to check the status of a flights and some offer additional information such as altitude, speed and weather conditions.
Each airline owns and operates their own website. The specific airline you want to check will be able to provide the most detailed and up-to-date information.
The Federal Aviation Administration operates a website in which the United States' airport statuses are updated in real time. The website provides information on whether flights to and from a particular destination will be delayed or canceled.
FlightStats.com provides information such as departure time, expected arrival time, a map detailing a flight's specific location, weather en route and the likelihood of delays.
Altitude, speed, actual and estimated departure and arrival times, radar maps, arrival gate information, and specific location are features on FlightView.com. You can track a flight "live," allowing you to watch it move across an interactive map en route to its destination.
FlightAware.com has a unique tracking system that allows you to follow the status of a flight based on the airline name and flight number or the aircraft's tail number. This allows you to track any airplane in the air so long as you have the required information.