GlossaryEN1 min readUpdated: Jun 26, 2026

Schedule Reliability

Schedule reliability measures the share of shipments or sailings completed within the committed time window, expressed as a percentage.

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Last updated: 26 June 2026Published: 27 January 2026

Source: https://www.investopedia.com/terms/s/schedule-reliability.asp

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Definition & Explanation

Schedule reliability measures the share of shipments or sailings completed within the committed time window, expressed as a percentage. In container shipping, specialized data providers track on-time performance by carrier and trade lane, giving shippers a direct basis for service comparisons. A vessel departing and arriving within the published schedule counts as reliable; chronic delays erode trust and can trigger penalty clauses in service contracts. Achieving high schedule reliability requires accurate transit time commitments, robust contingency planning, and stable subcontractor networks. The metric therefore reflects not just operational efficiency but the overall maturity of a logistics provider's processes.

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Transit index

Check transit time: city-to-city index

P50/P80 transit times for sea, air and road — sourced and confidence-rated, not a carrier quote.

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Schedule Reliability

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