So, if my math is right (for 2021 only): 1888 min / 525,600 min = 99.64% uptime.
If it was more like 99.80+ I think I would be like "meh", but honestly for the price you pay that's not terrible. Still, for a company at the Microsoft level, it should be 99.80 at least.
Service Downtime Core Services Only - Cumulative per Month
( Some months with more than one outage)
Jan 2021: 3 hours 53 min
Feb 2021: 1 hour 42 min
Mar 2021: 4 hours 10 min
Apr 2021: 2 hours 20 min
May 2021: 10 hours 34 min
Jun 2021: 0 min
Jul 2021: 0 min
Aug 2021: 4 hours 23 min
Sep 2021: 0 min
Oct 2021: 1 hour 36 min
Nov 2021: 2 hours 50 min
Dec 2021: 0 min
Jan 2022: 26 min
Feb 2022: 13 min
[1] https://github.blog/tag/github-availability-report/