For the many travelers heading to Asia in 2025, these are the most punctual airlines: Japan Airlines Co., All Nippon Airways and Singapore Airlines, in descending order. In Europe, Madrid-based Iberia Express and its big sibling Iberia took first and second place, respectively.

In the report, Cirium CEO Jeremy Bowen said 2024 was an especially difficult year for airlines due to severe weather patterns and a summer technology outage.

Delta ranked highest among U.S. carriers despite a computer outage​ in July that caused thousands of cancellations.

Across the industry, a flight is considered on time if it arrives less than 15 minutes before its scheduled time.