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.
The Transportation Security Administration (TSA) recommends that you arrive at the airport two hours prior to the departure time for domestic and three hours prior to international flights. We encourage passengers to give themselves additional time during peak travel periods and inclement weather.