Since the OP was about air forces of the two countries, let's look at the Indian version about the 65 air wars.
It was the first air battle between India and Pakistan. The Indian Air Force was numerically superior, with 28 combat squadrons to PAF's 11, but it was saddled with technologically inferior fighters. And, caught off-guard by the PAF offensive, India had lost 35 of its aircraft on the ground during pre-emptive strikes — one on Pathankot on September 6 and then on Kalaikunda, a day later.
IAF's latest history of its operations in the 1965 war acknowledges it "suffered disproportionately higher losses" than PAF.
https://timesofindia.indiatimes.com...look-at-the-1965-war/articleshow/48628306.cms
The Pakistani version of 65 air combat was slightly more on the higher side if IAF losses are considered, as that can be easily ignored by the Indians, the above is about the her story of his-tory.
Indian losses were many times more than Pak Air force losses in 65 war...Pakistan version.
At the end of the war, India had lost 110 aircraft with 19 damaged, not including those destroyed on the ground at night, against a loss of 16 PAF planes. Thus the outnumbered PAF emerged triumphant over a four times larger force