1 From Louisville to Green Bay, the most frequently used aircraft is an Embraer ERJ 135/ERJ 140/ERJ 145. 2  On average, flights from Louisville to Green Bay are cancelled 0.6% of the time. 3  4.8 percent of flights from Louisville to Green Bay are delayed.
I agree that big cities are pegged at around the 2 million mark. I think of medium cities as being between 500,000 and 1.5 million. Small cities are less than 500,000 but more than 100,000. Anything under 100,000 is a town to me, not a city.
According to our just released Demographia World Urban Areas, Tokyo-Yokohama, the worldâs largest city, has 30 times the population of Beijing in 1800. And, Beijing itself has reached 21 million. Beijing remains one of the ten largest cities, but London with a population of 10 million ranks 32nd.