Travelling by air has both advantages as well as DISADVANTAGES.
The GREATEST advantage is that it is the fastest way to get from one place to another, especially when long distances are involved. It helps us save a lot of time. The air travelling is very comfortable. When we travel by air, we sit COMFORTABLY in the armchair, read magazines or do what we want.
A plane ticket can be purchased by telephone or on the Internet and that is also very convenient.
Travelling by air has its disadvantages, too. First of all, flying is the most EXPENSIVE form of transportation, ESPECIALLY if reservations are not made well in advance. Some people might not be able to afford to fly on the budget airline.
Besides, air travels have the reputation of being DANGEROUS and a lot of people are afraid of flying. Finally, travelling by air, we can’t stop wherever we want to enjoy BEAUTIFUL landscapes on our way as we do it in a trip by car or boat.