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Currently, you will find that airlines limit the weight of carryon luggage to the airplane and may charge for extra weight luggage into the plane cargo area. Therefore, it is important to carry luggage just enough for the trip, leave valuables behind for safety and check airline luggage rules to be safe and to avoid embarrassment or extra fees.
Nowadays luggage issues are increasing and most passengers when arrive the airport they get in problem as by that time they can't decide how and which luggage to loose.Its also important to remember that some items which are generally allowed to take along during the travel but they won't be allowed if at checkpoint an alram is triggered when your luggage passes by.
So be aware of all air traveling rules as they can cause hurdles if you don't know or follow them properly.