Reliability score

A reliability score is a rating calculated from a worker's record of attendance and hours worked. It helps decide how future shifts are allocated among people who request the same work.

How it works

Reliability scores are usually built from a few inputs and recalculated at the end of each roster period:

• Attendance rate: how often a person turned up for shifts they were allocated.
• Hours fulfilment: whether they worked the hours expected, rather than turning up briefly.
• No-show penalty: an extra deduction for not turning up without notice, weighted more heavily than a cancellation given with fair notice.
• Recency weighting: recent periods usually count for more than older ones, so the score reflects how someone works now rather than a distant record.

The result is usually shown as a percentage or a simple band (for example green, amber or red) instead of raw attendance numbers, so it's quick to scan during allocation.

What it's for

When more people request a shift than there's room for, a manager needs some basis for choosing beyond "first come". A reliability score gives one that doesn't rely on familiarity or memory, and it rewards the people who consistently turn up and work their shifts. It also gives staff a clear reason for an allocation outcome, in place of an unexplained call by a manager.

Reliability scores are usually visible only to management, not to other staff, because they deal with an individual's performance history.

In Chronomancer

Chronomancer calculates a reliability score automatically when a roster period completes: 100 × attendance rate × hours fulfilment (capped) − no-show penalty, with recent periods weighted more heavily through exponential decay. The score is stored per contact, shown as a green, amber or red band with a percentage, and used in allocation alongside priority tier. By default it's hidden from managers running day-to-day rosters and kept for admin-level views.