How often are flights between London and Athens on time?

63.5% of 1,062 flights were on time (within 15 minutes) over the last 12 months of UK Civil Aviation Authority figures, and 0.2% were cancelled.

Which airline is most punctual between London and Athens?

Ryanair, with 65.2% on time. Jet2.com was the least punctual at 50.4%.

STN to ATH

London to Athens flights

Name: London to Athens (STN-ATH) flights: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Flights from London Stansted (STN) to Athens (ATH) cover 2,408 km. 1,062 flights flew between them in the last 12 months of UK Civil Aviation Authority figures; 63% were on time across 2 airlines.

1,062

flights, August 2025 to July 2026

63%

on time (within 15 min)

0.2%

cancelled

+19 min

average delay

Both directions together. On time means within 15 minutes of schedule, counted over every scheduled flight to and from the UK airport, including cancelled ones (the CAA's definition).

Airlines on this route

Airline	Flights	On time	Cancelled	Average delay
Ryanair	935	65%	0.2%	18 min
Jet2.com	125	50%	0%	23 min

Month by month

Over the last 12 months, London and Athens ran best in March 2026 (93.1% on time) and worst in August 2025 (29.6%).

Share of flights on time, by month (UK Civil Aviation Authority). Green is the best month, orange the worst.

See the figures

Month	On time	Cancelled	Flights
August 2025	30%	0%	81
September 2025	34%	0%	67
October 2025	53%	1.2%	83
November 2025	79%	0%	107
December 2025	79%	0%	94
January 2026	83%	0%	100
February 2026	82%	0%	96
March 2026	93%	0%	102
April 2026	60%	1.3%	77
May 2026	66%	0%	80
June 2026	37%	0%	86
July 2026	42%	0%	89

Source: UK Civil Aviation Authority punctuality statistics, August 2025 to July 2026. Contains UK Civil Aviation Authority data. Figures describe the past and do not predict a future flight.

Questions and answers

How often are flights between London and Athens on time?: 63.5% of 1,062 flights were on time (within 15 minutes) over the last 12 months of UK Civil Aviation Authority figures, and 0.2% were cancelled.
Which airline is most punctual between London and Athens?: Ryanair, with 65.2% on time. Jet2.com was the least punctual at 50.4%.
What is the best month to fly between London and Athens?: Over the last 12 months, London and Athens ran best in March 2026 (93.1% on time) and worst in August 2025 (29.6%).

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