Availability (excluding planned downtime)

Definition

Percentage of actual uptime (in hours) of equipment relative to the total numbers of planned uptime (in hours). Planned uptime = service hours - planned downtime Planned downtime is downtime as scheduled for maintenance. Also known as: Service Outage Duration

Formula

Tags

availability, downtime, device, equipment, maintenance, schedule, planning, duration

Metadata

Category: Systems · Added: May 17, 2026