December 25, 2025 | 02:25 pm
TEMPO.CO, Jakarta - Flights can be delayed or canceled for various reasons, including weather and technical issues with the aircraft. These delays inconvenience passengers with tight schedules. Which airlines are the most frequently delayed in the world throughout 2025?
Flight tracking app Flighty has revealed the worst airlines in terms of delays this year. The list was compiled by analyzing data from more than 22 million air travels worldwide.
Most Delayed Airlines in the World
According to Independent.co.uk, Ryanair had the highest percentage of flight delays in 2025. Flighty found that 29 percent of the low-cost Irish airline's services experienced delays this year.
The same percentage of delayed flights applied to Easyjet, which ranked second, and Air France, which ranked third. However, as Ryanair is a larger airline based on passenger volume, it is responsible for more hours of delay.
The fourth most delayed airline is the very low-cost US airline, Frontier, with 28 percent of its flights delayed. Lufthansa is in fifth place with 28 percent of flights delayed, and Qantas is in sixth place with 26 percent of flights delayed.
In its report, Flighty also examined the difference in time between the scheduled arrival of flights and when passengers actually disembarked. The report claimed that flight patterns, crew or equipment delays, taxiway congestion, runway queues, and weather restrictions extended travel time by 30 percent for all flights.
This means that the total waiting time from all these delays, Flighty said, reached 1.4 million hours or 161 years. "[This metric] captures all those extra minutes spent sitting, waiting, and muttering, ‘Get me off this plane,'" Flighty stated.
Delayed flights not only consume time but also have financial implications, according to research. According to the International Air Transport Association and Eurocontrol, air traffic control delays alone cost passengers and airlines in Europe around $6.8 billion or Rp 113.7 trillion between late 2024 and October 2025.
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