Flights between Kabul & Islamabad

Greeting to you all, First time poster and a newby as well here on this site. I am wondering with the wealth ok knowledge you all have, does anyone know if the flights between Kabul & Islamabad still happen?. Just wondering as I have a few friends who live down there and would lve dearly to see thme after so many years.. thank you all in advance..

Best Regards Always

Paul Kabul / Kuwait & Dallas, Texas..