There have been 142 checks of atc.am's functioning in the 1 574 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 July 13, 2025, there had been no instances of atc.am's inoperability. The error code 403 was the most current among the 140 responses that experienced errors, occurring on July 4, 2025. The 0.425 seconds response time noted for atc.am on July 4, 2025, differed from its 0.378 seconds average.