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The poor performance underscored the importance of the tentative labor agreement with the ILWU, according to the consulting firm SeaIntel.
App has a range of other functions and is available from the Apple App Store and Google Play.
APL will operate a US-flag string independent of its G6 partners.
House and Senate committees voted last week to extend the expiring trade preference programs.
Coast Guard organizations of Italy and Malta, along with merchant vessels, are bearing the brunt of rescue operations for migrants at sea.
Hutchison Port Holdings plans to invest $303 million by 2019 to expand the Oman International Container Terminal at the Port of Sohar, quadrupling container handling capacity at the port.