The «Archiv der Verspätungen am Flughafen Tegel» (Late departure archive at Tegel Airport) is a collection of Data which rappresents the quantity of seconds of the late departures at Tegel Airport. These Data get collected with a program and saved everyday until the airport will close. The interface which permit to discover the data is made of modified wall clocks. Everyday an archived day get randomly chosen. On the base of the current time, hour and minute, one of the clock start ticking the delate in seconds.