The Institute of Medicine released two seminal reports in 1999 and 2001.The first report, To Err is Human: Building a Safer Health System released in 1999 received enormous publicity and focused attention on the issues of medical error and patient safety.
The general rule of thumb is that one is supposed to arrive. 1  2 hours early for a domestic flight and. 2  3 for an international flight.
Timing Your Arrival. The general rule of thumb, according to many airlines, is that passengers traveling internationally should arrive at the airport no less than three hours before the flight is scheduled to depart.