NEW analysis of Civil Aviation Authority (CAA) data reveals airlines operating from Stansted Airport have the third lowest punctuality in the UK.
The analysis, by AirAdvisor, found just 73.5 per cent of flights departed or arrived on time in the first half of 2025.
A Stansted Airport spokesperson said: "Punctuality of flights can be affected by a number of factors, most of which are outside of an airport’s control.
"These include adverse weather, continental air traffic control issues including capacity restrictions, airspace restrictions and industrial action, particularly across Europe, airline crew shortages or delays to inbound flights.
"As such, it is misleading to passengers to imply a link between airports and delays.
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"We are committed to doing everything in our power to support our airline partners to achieve the best possible on-time performance, and passengers can feel reassured that the vast majority of flights that leave London Stansted do so on time, and with the fewest number of cancellations of any major airport in the south east."
The figure marks an improvement from the same period in 2024, when only 69.5 per cent of flights were on time.
The CAA defines a flight as "on time" if it arrives or departs from the airport gate within 15 minutes of its scheduled time.
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