The online check services will be available to you at Iran Air up to 24 hours before the flight departure time. You are required to log in to the journey through its official website using the booking reference or ticket number and the family name. Alternatively, you can access your schedule using the mobile application. Choose your seat assignment, meal preferences, and then print the boarding pass . It is mandatory to complete the web check process at least 60 minutes before departure time. You will then take the boarding pass and other documents to go through the airport security before flying.