Abandonment Rate measures how many customers give up while waiting for support, before the interaction is resolved or even started. For voice channels it is calculated as: (Abandoned Calls ÷ Total Inbound Calls) × 100; similar logic applies to chat queues.
Why it matters:
- Abandoned contacts represent unresolved customer problems and potential churn risk
- High abandonment is a direct symptom of understaffing or excessive wait times
- Industry benchmarks typically target below 5% for phone queues
For example, if a team handles 1,000 inbound calls in a day and 80 customers hang up before reaching an agent, the abandonment rate is 8%. Support leaders use abandonment rate alongside Average Speed of Answer (ASA) and Service Level to diagnose capacity gaps. Improving self-service options or callback features can reduce abandonment without requiring additional headcount.