CHECK-IN TIMES. The time shown on the itinerary/receipt is the departure time of the aircraft. Flight departure timeis not the same as the time you must check-in or the time you must be available for boarding. Your carrier may refuseyou carriage if you are late. Check-in times, as advised by your carrier, are the latest times at which passengers canbe accepted for travel; boarding times, as advised by your carrier, are the latest times at which passengers mustpresent themselves for boarding.