Container carriers schedule reliability increased by 2.5 percentage points in May

June 30, 2026

Sea-Intelligence has published issue 178 of the Global Liner Performance (GLP) report, with schedule reliability figures up to and including May 2026.

Schedule reliability has been improving M/M since March 2026, with the latest increase of 2.5 percentage points taking the May 2026 figure to 64.7%; the highest in 2026. On a Y/Y level, schedule reliability was lower by -1.2 percentage points.

The average delay for LATE vessel arrivals deteriorated, increasing by 0.04 days M/M and by 0.88 days Y/Y to 5.52 days.

Maersk was the most reliable top-13 carrier in May 2026 with schedule reliability of 78.2%, followed by Hapag-Lloyd with 76.0%, and MSC with 71.6%. Six carriers were in the 60-70% range and three in the 50-60% range. Nine carriers recorded an M/M improvement in schedule reliability in May 2026, while eight of the 13 carriers recorded a Y/Y improvement.

Source: Sea-Intelligence