Hello, The Egyptair Addis Ababa Office in Ethiopia states that passengers may check in online 48 to 90 minutes before departure or at the airport 3 hours before the flight. If you want more information, visit the Egyptair Addis Ababa office in Ethiopia, or you can contact them by phone. https://rightcheckin.com/airlines/egyptair-city-sales-office-in-addis-ababa/