Container lines’ schedule reliability dips slightly at start of 2023

Date: Thursday, March 2, 2023
Source: Container News

Sea-Intelligence reported that while schedule reliability continued to increase for much of 2022, in January 2023 there has been a month-to-month decline of 3.8%, reaching to 52.6%.

Source:, GLP Report, issue 138
Source:, GLP Report, issue 138

Despite this decrease, schedule reliability in January 2023 was considerably higher than in the previous two years, with the year on year increase of 22.2%.

According to Sea-Intelligence, the average delay for late vessel arrivals on the other hand continued to improve, as it has for much of 2022, with the latest figure at 5.26 days, a month-to-month drop of 0.24 days.

Source:, GLP Report, issue 138

Maersk was the most reliable top-14 carrier in January 2023 with 58.3%, followed by MSC with 57.7%. There were three more carriers with schedule reliability of over 50%, while the remaining box lines had schedule reliability of 40%-50%.

In addition, ZIM was the least reliable carrier in January 2023 with a schedule reliability of 41%. All top-14 carriers recorded a month-to-month decline in schedule reliability in January 2023, with Hapag-Lloyd recording the smallest fall of a marginal 0.4%.

Finally, Wan Hai was the only carrier with a double-digit decline of 15.4%. All carriers except for Hamburg Süd recorded double-digit year-on-year improvements in schedule reliability in January 2023.


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