First world problems.
If you expect 100% guaranteed uptime 24x7 in everything you do, then pay a premium price. Oh wait, that just doesn't happen.
Every major airline has had an outage at some point. Sucks for people to be impacted... but guess what? Everyone's in the same boat.
Leave yourself some time margin for error --- or cry when something goes wrong.
IT issues, IROPS, weather, something else, doesn't matter. Crap can happen anytime.