The numbers would go up quite a bit if it included private and military. The numbers you linked to seem to have a very tight definition of which flights were considered, as the Wikipedia list showcases several more in-flight deaths involving air carrier class airplanes than just two.
I don't understand how you arrived at the number 51. Did you just tally up all the incidents in that list that occurred after 2009?
That list includes a bunch of incidents that are not really relevant for assessing risk level when flying on a commercial airline:
- Someone committing suicide by getting sucked into a plane engine while the plane was on the ground.
- Someone sneaking onto a runway and getting struck by a plane that was landing.
- Another person stealing a plane and intentionally crashing it into the ground.
- The Kobe Bryant helicopter crash.
Looking through the list I would conclude the parent comment was correct. The only incidents with passenger fatalities on US airlines since 2009 were Southwest 1380 and PenAir 3296.
https://en.m.wikipedia.org/wiki/List_of_fatal_accidents_and_...
The numbers would go up quite a bit if it included private and military. The numbers you linked to seem to have a very tight definition of which flights were considered, as the Wikipedia list showcases several more in-flight deaths involving air carrier class airplanes than just two.