Container shipping reliability drops further

9:19pm 19th September 2021




Container shipping vessel schedule reliability dropped further in July as global port and congestion disruption continued, and the average delays for late vessel arrivals continued to deteriorate, according to new analysis by Sea-Intelligence.

The container shipping analyst’s latest Global Liner Performance (GLP) report, with schedule reliability figures up to and including July 2021, covers schedule reliability across 34 different trades lanes and 60+ carriers, and indicates that vessel schedule reliability fell month-on-month (M/M) by 3.8 percentage points in July to 35.6%, down “a massive 39.7 percentage points” from last year.


The average delay for late vessel arrivals continued to deteriorate in July 2021, increasing by a further 0.35 days M/M to 6.88 days. The level of delays in 2021 have been the highest across each month compared to previous years, highlighted Sea-Intelligence CEO Alan Murphy.Nm2

The July performance figures were below those of the previous three months, although they were a slight improvement of the extreme lows witnessed in February.

Murphy said that while schedule reliability was “not getting any worse, it is not getting better either, hovering around 35%-40% for most of the year”. 

Maersk Line was the most reliable top-14 carrier in July 2021, with schedule reliability of 47.3%. Hamburg Süd was the only other carrier with schedule reliability higher than 40%, with only four carriers between 30%-40%, six between 20%-30%, and the remaining two under 20%.Nm3

Evergreen had the lowest schedule reliability in July 2021 of 16.2%, and none of the carriers recorded a M/M improvement in July 2021, Murphy noted. The largest M/M decrease was of -9.6 percentage points recorded by ZIM. 

None of the top-14 carriers recorded a Y/Y improvement in schedule reliability, with all carriers recording double-digit declines of over 32 percentage points.

by Will Waters

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