> By June 2022, Russia had not achieved air superiority, having lost around 165 of its combat aircraft over Ukraine which amounted to approximately 10% of its frontline combat strength. Western commentators noted the qualitative and quantitative advantages the Russian Air Force had over its Ukrainian counterpart, but attributed the poor performance of Russian aviation to the extensive ground-based anti-aircraft capabilities of the Ukrainians.
https://en.m.wikipedia.org/wiki/Aerial_warfare_in_the_Russia...