Most common Callsign

Below are the Top 10 most common ident/callsigns of all airlines.

	Callsign	Airline	# of times
1	AAL134	American Airlines	83
2	AAL73	American Airlines	71
3	AAL10	American Airlines	67
4	AAL1011	American Airlines	60
5	AAL1136	American Airlines	59
6	AAL1668	American Airlines	58
7	AAL1012	American Airlines	55
8	AAL1022	American Airlines	54
9	AAL135	American Airlines	54
10	AAL1226	American Airlines	52