Daily ATFM Delay by State

Daily ATFM delay for each State and the whole Network Manager area, as total, en-route and airport arrival delay, by cause.

Updated daily Daily data Data to November 4, 2026 Source dashboard

Operational data, updated every day up to yesterday. Recent days may be revised; Polaris keeps every day it has received, so history continues past the end of each year.

Data and Resources

API

Total ATFM delay

API name: daily-atfm-delay-states--total

First 5 rows · Download all rows: CSV · TSV · JSON · XML

Code examples

curl

curl 'https://polaris.goens.dev/api/3/action/datastore_search?resource_id=daily-atfm-delay-states--total&limit=5'

Python

import pandas as pd

df = pd.read_csv('https://polaris.goens.dev/datastore/dump/daily-atfm-delay-states--total?format=csv')

R

df <- read.csv('https://polaris.goens.dev/datastore/dump/daily-atfm-delay-states--total?format=csv')

En-route ATFM delay

API name: daily-atfm-delay-states--en-route

First 5 rows · Download all rows: CSV · TSV · JSON · XML

Code examples

curl

curl 'https://polaris.goens.dev/api/3/action/datastore_search?resource_id=daily-atfm-delay-states--en-route&limit=5'

Python

import pandas as pd

df = pd.read_csv('https://polaris.goens.dev/datastore/dump/daily-atfm-delay-states--en-route?format=csv')

R

df <- read.csv('https://polaris.goens.dev/datastore/dump/daily-atfm-delay-states--en-route?format=csv')

Airport arrival ATFM delay

API name: daily-atfm-delay-states--airport

First 5 rows · Download all rows: CSV · TSV · JSON · XML

Code examples

curl

curl 'https://polaris.goens.dev/api/3/action/datastore_search?resource_id=daily-atfm-delay-states--airport&limit=5'

Python

import pandas as pd

df = pd.read_csv('https://polaris.goens.dev/datastore/dump/daily-atfm-delay-states--airport?format=csv')

R

df <- read.csv('https://polaris.goens.dev/datastore/dump/daily-atfm-delay-states--airport?format=csv')

API documentation and rate limits

Cite this data

Source: EUROCONTROL Aviation Intelligence Unit. Daily ATFM Delay by State. https://polaris.goens.dev/dataset/daily-atfm-delay-states

May be copied in whole or in part, provided that EUROCONTROL is mentioned as the source and it is not used for commercial purposes. Full disclaimer

About this data

Three tables: total ATFM delay (en-route plus airport), en-route ATFM delay and airport arrival ATFM delay, each with flights, minutes of delay, delay per flight and the split by cause.

Data sources

Published by
EUROCONTROL Aviation Intelligence Unit
Underlying data
Network Manager

The table view shows where each column comes from, under Data Dictionary.

Additional Info

Field Value
Update frequency Daily
Time resolution Daily
Data from 2024-03-02
Data to 2026-11-04
Data description
Methodology
Source page https://www.eurocontrol.int/Economics/DailyDelay-States.html