Best Answer: Be there 2 hours before take off at the airport. Some instances that problems may happen regarding your baggage, passport, ticket, etc; and you still have time to resolve it.In addition, you can queue up early.owadays there are many precautionary measures before you can get in to the check in area they will check your luggage and could be very long queues. It does not say to check in before two hours. They want is you must be there in the check in area within that allowable time.