Note that these uptime reports include all downtime for each server including scheduled maintenance, reboots, kernel upgrades, network outages, etc. I've listed the cause of downtime on some of the longer outages.

Summary
Shared Servers Monitored: 21
Shared Servers with 100% uptime: 11
Shared Servers with > 99.9% uptime: 20
Shared Servers with < 10 minutes of downtime: 16

Details
cpanel40 - 100%
cpanel46 - 100%
cpanel47 - 100%
cpanel48 - Downtime of 1 minute
cpanel49 - 100%
cpanel50 - 100%
cpanel52 - Downtime of 48 minutes - Manual fsck required
cpanel55 - Downtime of 36 minutes
cpanel56 - Downtime of 11 minutes
cpanel57 - Downtime of 9 minutes
cpanel58 - Downtime of 10 minutes
cpanel59 - Downtime of 2 minutes
cpanel60 - 100%
cpanel61 - 100%
cpanel62 - 100%
cpanel63 - Downtime of 1 minute
cpanel64 - 100%
cpanel65 - 100%
cpanel66 - 100%
cpanel67 - Downtime of 23 minutes
sa01 - Downtime of 26 minutes - CPU and RAM upgrades