From the Maritime Executive blog:

Drewry reliability chart

The new ship reliability record eclipses the previous best of 75.7% set in the second quarter of 2012.

Ship-level and container-level Key Performance Indicators (KPIs) showed significant quarter-on-quarter increases in reliability in the fourth quarter of 2012, according to Drewry’s quarterly report Carrier Performance Insight.

Containership reliability reached a new record high in the fourth quarter of 2012 with the percentage of on-time ship arrivals across all trades increasing to 79.9%, a rise of 6.4 percentage points on the third quarter performance.

Hanjin Shipping usurped Maersk Line as the most reliable major carrier (defined as having a minimum of 100 voyage counts in a quarter) with an all-trades on-time average of 90.2% in the fourth quarter.

Read the rest here