There have been 183 checks of atc.am's functioning in the 1 641 day period starting from March 21, 2021. Operating successfully 2 times during all conducted checks, atc.am's most recent uptime on July 3, 2021, resulted in a code 200. Tests show that as of September 18, 2025, there had been no instances of atc.am's inoperability. The error code 403 was the most current among the 181 responses that experienced errors, occurring on September 17, 2025. The 0.198 seconds response time noted for atc.am on September 17, 2025, differed from its 0.348 seconds average.