Qatar Airways allows online check-in starting 48 hours before departure for most international flights, closing 90 minutes before the flight. For flights departing from or arriving in the United States, online check-in opens 24 hours before departure and closes 90 minutes prior. Passengers can check in via the Qatar Airways website or mobile app by entering their booking reference and last name, selecting seats, and obtaining a boarding pass. Checked baggage must be dropped off at the airport bag drop counters. Online check-in is not available for flights from Sarajevo. Airport check-in counters open 3 to 4 hours before departure and close 1 hour before the flight, with boarding gates closing 20 minutes prior. Passengers are advised to arrive at the airport at least 3 hours before departure.