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.
The largest city in the world by population is Tokyo, Japan, with a population of 37,832,892. Tokyo is followed by Shanghai, China (population 34,865,252) and Jakarta, Indonesia (population 31,689,592). The following is a list of the world's 150 largest metropolitan areas, which generally includes an urban area and its surrounding suburbs. Rank City / Urban Area