Procurement Glossary
Delivery call-off loyalty: key figure for reliable supplier relationships
November 19, 2025
Delivery call-off reliability measures the reliability of suppliers in meeting agreed call-off quantities and deadlines. This key figure is crucial for a stable supply chain and optimal inventory management. Find out below what call-off reliability means, how it is measured and what strategic advantages it offers.
Key Facts
- Measures compliance with agreed call-off quantities and deadlines by suppliers
- Calculated as a percentage of correctly fulfilled call-offs
- Key performance indicator for supplier evaluation and supply chain management
- Directly influences inventory costs and production stability
- Enables data-based supplier decisions and contract negotiations
Contents
Definition: Delivery call-off loyalty - clear classification and benefits
Delivery call-off reliability describes the ability of a supplier to deliver agreed call-off quantities at the agreed time.
Key aspects of delivery call-off loyalty
The key figure comprises several dimensions of delivery performance:
- Quantity reliability: delivery of the exact quantity ordered
- Adherence to delivery dates: Adherence to the agreed delivery date
- Quality compliance: fulfillment of the specified quality requirements
- Documentation compliance: Complete and correct delivery documentation
Delivery call-off reliability vs. adherence to delivery dates
While adherence to delivery dates only considers the time component, adherence to delivery schedules also covers quantity and quality aspects. This holistic approach enables a more precise supplier evaluation.
Importance in strategic Procurement
High delivery call-off reliability reduces safety stocks, minimizes production downtime and strengthens planning reliability. It forms the basis for just-in-time concepts and lean supply chains.
Methods and procedures for delivery call-off fidelity
The systematic measurement and improvement of delivery call-off reliability requires structured approaches and clear processes.
Measuring method and calculation
The delivery call-off reliability is calculated as the ratio of fulfilled to planned call-offs. Various tolerance ranges are defined for quantity, time and quality:
- Quantity tolerances: Typically ±2-5% of the order quantity
- Time tolerances: Usually ±1-2 days from the agreed date
- Quality criteria: Zero-defect tolerance or defined PPM values
Data acquisition and monitoring
Modern ERP systems automatically record delivery data and compare it with purchase orders. The three-way match rate supports the validation of delivery performance by comparing the order, delivery bill and invoice.
Continuous improvement
Regular supplier meetings, root cause analyses in the event of deviations and joint optimization projects promote sustainable improvements. The supplier score integrates delivery call-off reliability into a comprehensive evaluation matrix.

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Key figures for controlling
Various key figures enable the precise measurement and control of delivery call-off reliability at operational and strategic level.
Primary key performance indicators
On-time delivery measures on-time delivery, while on-time-in-full also takes into account quantity reliability. These key figures form the basis for evaluating delivery call-off reliability.
Quality-related metrics
The parts-per-million (PPM) error rate quantifies quality deviations, while the first-pass yield measures the proportion of error-free deliveries at the first goods receipt.
Process efficiency indicators
The goods receipt throughput time and expedite rate show the efficiency of the delivery processes. A low expedite rate indicates stable supply relationships and high planning reliability.
Risks, dependencies and countermeasures
Low delivery call-off reliability can cause considerable operational and financial risks for companies.
Operational risks
Unreliable deliveries lead to production downtimes, increased safety stocks and emergency procurements. These disruptions impair the level of service provided to our own customers and can trigger contractual penalties.
Financial impact
Delivery deviations cause additional costs due to:
- Increased warehousing costs for excess deliveries
- Express procurements for sub-deliveries
- Production downtime costs for critical shortfalls
- Quality costs due to defective deliveries
Strategic countermeasures
Diversification of the supplier base reduces dependency on individual suppliers. Contractual agreements with penalty clauses and bonus systems create incentives for high delivery call-off reliability. The complaint rate serves as an early warning system for deteriorating delivery performance.
Practical example
An automotive supplier implements systematic monitoring of delivery call-off compliance for critical components. Every month, 500 call-offs are evaluated, 485 of which were fulfilled correctly. This results in a delivery call-off reliability of 97%. Supplier A achieves 99.2%, while supplier B only achieves 94.1%.
- Immediate escalation with supplier B with root cause analysis
- Development of a 90-day improvement plan
- Bonus payment to Supplier A for above-average performance
- Adjustment of order distribution in favor of reliable suppliers
Trends & developments around delivery call-off loyalty
Digitalization and new technologies are fundamentally changing the measurement and management of delivery call-off reliability.
AI-supported forecasts
Artificial intelligence analyzes historical delivery data and external factors to identify delivery risks at an early stage. Machine learning algorithms continuously improve the accuracy of predictions for delivery deviations and enable proactive countermeasures.
Real-time tracking and IoT
Internet-of-Things sensors and GPS tracking provide real-time visibility of deliveries. This transparency enables precise lead time forecasts and early communication in the event of delays.
Blockchain for supply chain transparency
Blockchain technology creates immutable records of delivery transactions and increases data integrity. Smart contracts automate compliance checks and penalty calculations in the event of delivery deviations, thereby strengthening contract compliance.
Conclusion
On-call delivery reliability is a key performance indicator for successful supplier relationships and stable supply chains. It enables data-based decisions in supplier evaluation and development. Through systematic monitoring and continuous improvement, companies create the basis for operational excellence and competitive advantages. The integration of modern technologies such as AI and IoT opens up new possibilities for precise forecasting and proactive supply chain management.
FAQ
What is the difference between delivery call-off reliability and delivery reliability?
Delivery call-off reliability refers specifically to compliance with call-off orders in framework agreements, while delivery reliability generally describes the fulfillment of delivery obligations. Delivery call-off reliability also takes into account the flexibility of variable call-off quantities and dates.
How is delivery call-off fidelity calculated?
The calculation is made as a quotient: (number of correctly fulfilled call-offs / total number of call-offs) × 100. A call-off is considered correctly fulfilled if the quantity, deadline and quality are within the defined tolerance ranges. Typical target values are between 95-99%.
What factors influence delivery call-off loyalty?
Key influencing factors are the supplier's production capacity, material availability, transportation logistics and quality processes. External factors such as weather, strikes or geopolitical events can also have an impact. Stable demand planning by the customer supports high delivery call-off reliability.
How can delivery call-off reliability be improved?
You can achieve improvements through clear agreements in supply contracts, regular supplier evaluations and joint optimization projects. Investments in supplier development, improved forecasting quality and digital communication tools promote sustainably higher delivery call-off loyalty. Incentive systems with bonuses and penalties increase motivation to achieve targets.



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