For one, there's fping.
The man page mentions e.g. this:
-C n Similar to -c, but the per-target statistics are displayed in
a format designed for automated response-time statistics gathering.
% fping -C 5 -q somehost
somehost : 91.7 37.0 29.2 - 36.8
shows the response time in milliseconds for each of the five requests, with the "-" ...
libicui18n.so.69 is part of the icu package, which should have been installed as a dependency when installing postgresql. If you do not have installed in the correct version (69.1-1, check pacman -Qi icu for the currently installed version), you have likely done a partial upgrade (possibly to install postgresql?) and need to upgrade your whole system with ...