Aeroméxico check-in The two check-in options provided by AeroMéxico are online and airport check-in. Online check-in is possible for passengers 48 hours before to departure using the airline’s. website or mobile app. Alternatively, travellers can use AeroMéxico’s designated counters or self-service kiosks at the airport to check in. Prior to the journey, passengers should allot enough time, especially for foreign flights, and they should have their required travel documents with them. AeroMéxico’s baggage regulations apply to checked bags. It’s vital to examine the specific check-in procedures and deadlines before flying because they may change based on the airport of departure and the airport of destination.