Most common Airline

Below are the Top 10 most common airlines.

		Airline	Country	# of times
1		American Airlines (AAL)	United States	1581
2		Adventures (ADV)	Unites States	154
3		American Airlines Heritage (HER)	United States	44
4		Alaska Airlines (ASA)	United States	31
5		Envoy Air American Eagle (ENY)	United States	28
6		British Airways (BAW)	Taiwan	24
7		PSA American Eagle (JIA)	United States	16
8		Iberia (IBE)	Spain	16
9		Avensa (AVE)	Venezuela	13
10		GOL Transportes Aeros (GLO)	Brazil	12