Now there has been a dramatic increase in the number of countries connected to each other, and if it has not stopped there, local air connectivity has also increased which facilitates connecting to many cities in many different countries. Not just developed and prosperous nations, but developing countries such as China, India and Brazil etc.
Not only connectivity, but in the last few decades, focus on the aspects that have changed significantly with proper aviation planning. Air travel is the quickest way to transport, has also become faster with time. London flight from the Australian subcontinent, and is still one of the longest flights.