Comment 114 for bug 446657

(In reply to Bastien Nocera from comment #32)
> systemd is supposed to remember and restore rfkill status. If that doesn't
> work, it could be a problem with systemd's implementation, or with the
> kernel implementation of the device specific rfkill (the thinkpad_acpi
> module is known to be problematic).
>
> Punting to systemd.

It is certainly not being remembered. FWIW, I have toshiba_bluetooth module; and I keep having to turn it off at the user-settings; it seems to be forgotten whenever reboot/logout.