The data used for the rankings comes from AirHelp's own databases, multiple vendors, governmental sources, and more than 13,500 passenger reviews across 58 countries. After crunching all the numbers, Cape Town International Airport (CPT) secured the top spot worldwide, with a score of 8.57 out of 10. Cape Town's leading position is underpinned by consistently strong showings across all core metrics. For example, the airport's on-time performance was rated 8.6, with customer experience slightly higher at 8.7.