For departing passengers, they will spend the first hour or so at the airport dealing with their luggage. Bags have to be checked, scanned and potentially searched depending on the circumstances. By carefully organising your luggage before you leave for the airport, you can streamline the in-terminal process.
The best advice for departing passengers is pack with purpose. Take time to review the list of prohibited items for both checked and carry-on luggage. Eliminate any unnecessary items from your carry-on bag and try to limit the amount of metal you carry on your person. A bit of careful attention in this department will see you speeding through check-in and security.
You also may wish to inquire with your airline regarding baggage limitations. Every carrier is different. Some are relatively generous with the number and weight of bags you can check. Others are quick to charge additional fees. If you know exactly what is allowed before you leave for the terminal, you will not have to worry about any last-minute surprises.
Passengers are expected to remain with their luggage until they have checked their bags. From this point, hand luggage must still be attended at all times. Unattended bags are considered suspicious and will be promptly removed and destroyed by security officials.