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The Monthly On-Time Performance Report – May 2025
In May, global flight cancellations increased by 31%. More than half (53%) of these were in Asia-Pacific, while North America experienced almost a quarter (23%) of the cancellations.
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Download the May 2025 On-Time Performance Report
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GLOBAL OTP SUMMARY – May 2025

Global flight cancellations increased by 31% in May, making it an operationally challenging month. The Asia-Pacific region was particularly affected, contributing more than half (53%) of all cancellations. Additionally, North America experienced considerable disruption, making up almost a quarter (23%) of the total, largely due to severe weather during the Memorial Day travel season.
Global Cancellations Report

Learn more about Cirium On-Time Performance and download 2024 Reports, here.