# Supply-chain internships: planning, purchasing or operations?

## Is delivery performance 75% or 50%?

Fictional order data at the end of September 9, 2026. All promised dates have passed; two delivery dates are missing.

### Delivery records

| Order | Promised | Recorded delivery |
| --- | --- | --- |
| O01 | 2026-09-05 | 2026-09-05 |
| O02 | 2026-09-05 | 2026-09-06 |
| O03 | 2026-09-06 | 2026-09-06 |
| O04 | 2026-09-06 | Missing |
| O05 | 2026-09-07 | 2026-09-07 |
| O06 | 2026-09-07 | Missing |

## Your turn

Calculate on-time delivery among known outcomes and the share of all orders confirmed on time.

## Your answer

[Write your approach here.]

## For your own application

Put the denominator, reporting cutoff and treatment of missing dates beside the metric.

Return to the guide for the worked answer and source notes:
https://internshipdeadlines.com/guides/logistics-and-supply-chain-internship-search