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.
1 Online check-in is available from 24 hours until 30 minutes before the flight leaves for Domestic flights. For international travel, it's 24 hours until 2 hours before departure.  Enter your booking reference and last name to find your booking.