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.
Mumbai, India is the world's largest city with population of 12,778,721. Hulunbuir, China is the world's largest city by an area of 263,953 Square Km. Mumbai, India is the world's largest city with population of 12,778,721. Hulunbuir, China is the world's largest city by an area of 263,953 Square Km. Source(s): http://www.mongabay.com/cities_pop_01.htm.