At 00:56 MSK on 6 August 2019 (21:56 5 August 2019 UTC) the Space and Air Defense Forces conducted a successful launch of a Proton-M launcher from launch pad 81 of the launch complex No. 24 of the Baykonur space launch site. The satellite that was successfully delivered into orbit by the Briz-M booster stage, received the official designation Cosmos-2539.

Cosmos-2539 is a Blagovest communication satellite (No. 14L) produced at the Reshetnev ISS enterprise in Zheleznogorsk.

The satellite was deploy on a geosynchronous orbit. It received international designation 2019-048A and NORAD number 44457.

Previous launch of a satellite of this type, Cosmos-2533, took place in December 2018.