The amount of time taken to fulfill a request.
In computing, turnaround time is the total time taken between the submission of a task for execution and the return of the complete output to the customer/user.
If bringing in an item for repair, be sure to find out the turnaround time so you will know how long it will be before the item is ready for you to pick up after being repaired.
The total time consumed in the round trip of a ship, aircraft, vehicle, etc.
Aviation. the elapsed time between an aircraft’s arrival at an airfield terminal and its departure.
The process of completing or the time needed to complete a task, especially one involving receiving something, processing it, and sending it out again: