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🇬🇧 London, United Kingdom

London Stansted Airport (STN)

London Stansted Airport (STN, EGSS) serves London, United Kingdom. Flights leaving STN left an average of 15.6 min late in the twelve months to July 2026, the 46th least delayed of 88 busy European airports.

Delays at STN

Average departure delay per flight: 15.6 min over the twelve months to July 2026. Delays were worst in June (22.3 min) and lightest in March (10.5 min).

Average departure delay per flight from STN, all causes, by month. Green is the least delayed month, orange the most.
See the figures
MonthAverage departure delayDepartures
August 202517.3 min9,657
September 202520.9 min9,139
October 202515.2 min9,113
November 202511.1 min7,438
December 202514.2 min7,748
January 202615.7 min6,846
February 202611.4 min7,092
March 202610.5 min8,048
April 202610.8 min8,837
May 202612.8 min9,577
June 202622.3 min9,485
July 202621.6 min10,215

Air traffic flow restrictions held 0.6% of arrivals at STN for more than 15 minutes in the twelve months to August 2026, most often because of weather (86% of those delay minutes).

Departure delay counts every cause, from the airline to air traffic control, and is measured against the scheduled time. Source: EUROCONTROL Aviation Intelligence Portal, summarised by TripStow. EUROCONTROL does not endorse TripStow.

Busiest routes from STN

  1. Dublin (DUB)956,463 passengers
  2. Rome (CIA)559,091 passengers
  3. Tenerife South (TFS)521,242 passengers
  4. Barcelona (BCN)509,761 passengers
  5. Bergamo (BGY)501,414 passengers
  6. Budapest Liszt Ferenc (BUD)498,175 passengers
  7. Alicante (ALC)486,348 passengers
  8. Palma De Mallorca (PMI)474,635 passengers
  9. Madrid (MAD)448,342 passengers
  10. Bucharest (OTP)443,896 passengers

Passengers in 2024, both directions together. Source: Eurostat (CC BY 4.0), summarised by TripStow.

Questions and answers

How delayed are flights at London (STN)?
Flights leaving STN left an average of 15.6 min late in the twelve months to July 2026, the 46th least delayed of 88 busy European airports.
Which month has the most delays at STN?
June 2026, when flights left an average of 22.3 minutes late; the lightest month was March 2026 (10.5 minutes).
Why are flights delayed at STN?
EUROCONTROL records why air traffic flow restrictions delay arrivals. At STN in the last year the biggest cause was weather (86% of those minutes), then other causes (9%).

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