the guy pictured in not an air marshall. he is a U.S. Marshall, who dont work the flights.
we cover way more then 99% of flights. were that number comes from i have no idea. i couldnt find the whole story..we obviously wont be on a puddle jumper. but you can bet if your on a large aircraft, there will be a team on the flight. we base the flights we go on based on intelligence and the people on the flight. there are 600+ air marshalls who are flying back and forth across the country non stop.
on top of that we have federal flight deck officers(armed pilots) who go through the same training we do.
plus we use local law enforcement who also go through our training. so there may be only 1 air marshall, but 6 local cops on the plane.