# Transport Time-Definite Services

*Last updated: 2026-06-26*

> A time-definite transport service is a freight offering in which the carrier guarantees delivery within a specific time window or by a hard deadline – not merely an estimated arrival.

A time-definite transport service is a freight offering in which the carrier guarantees delivery within a specific time window or by a hard deadline – not merely an estimated arrival. This contractual commitment sets it apart from standard groupage or general cargo services, where delivery timing is approximate. Time-definite services are essential for just-in-time manufacturing lines, retailers with fixed goods-in slots, and temperature-controlled shipments where delays risk production stoppages or spoilage. Carriers back the commitment with real-time tracking, dynamic routing, and pre-booked dock reservations, and assume contractual liability if the window is missed. Premium pricing applies compared to flexible services, with the surcharge varying by lane, volume, and market conditions.

**Source:** [https://www.fedex.com/en-us/shipping/time-definite.html](https://www.fedex.com/en-us/shipping/time-definite.html)

## Quick Facts

| Property | Value |
|---|---|
| Term | Transport Time-Definite Services |
| Language | EN |
| Word count | 110 |
| Last updated | 2026-06-26 |
| Source | https://www.fedex.com/en-us/shipping/time-definite.html |

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*Logistics Glossary — Freight Academy: [https://www.freight-academy.com/en/glossary/transport-time-definite-services](https://www.freight-academy.com/en/glossary/transport-time-definite-services)*

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