Collision Repair Cycle Time: What to Measure and Where Delays Hide AutoHound | Shop checklist [ ] State the start event, finish event and reporting period. [ ] Record calendar or working days, date or timestamp counting, and inclusion rules. [ ] Define the repair group and any exclusions. [ ] Flag missing or inconsistent dates before calculating results. [ ] Review stage history separately from estimate hours and tracked work. [ ] Record approval, parts, sublet and pickup waits with start and finish events. [ ] Mark overlapping holds and identify which operation each actually blocked. [ ] Review open-repair age alongside completed-repair cycle time. [ ] Assign a supported improvement, an owner and a follow-up review date. Worked examples in the article are illustrative.