Yep, I do that on Debian hosts, EL (RHEL/Rocky/etc.) have a similar feature.

However, you need to keep an eye for updates that require a reboot. I use my own Nagios agent that (among other things) sends me warnings when hosts require a reboot (both apt/dnf make this easy to check).

I wouldn’t care about last online/reboots; I just do some basic monitoring to get an alert if a host is down. Spontaneous reboots would be a sign of an underlying issue.