Data Dictionary

ID
Entity
Type
text
Label
Entity
Description

The airport.

ID
ICAO Code
Type
text
Label
ICAO Code
Description

The airport's four-letter ICAO code.

ID
Day
Type
timestamp
Label
Day
Description

The day the figures cover.

ID
Arrivals
Type
numeric
Label
Arrivals
Description

The number of IFR arrivals at the airport on the day.

ID
Arrival ATFM delay
Type
numeric
Label
Arrival ATFM delay
Description

Minutes of airport arrival ATFM delay on the day.

ID
Delay_Aerodrome capacity
Type
numeric
Label
Delay_Aerodrome capacity
Description

Minutes of ATFM delay caused by limited aerodrome capacity (delay code G).

ID
Delay_Capacity/Staffing (ATC)
Type
numeric
Label
Delay_Capacity/Staffing (ATC)
Description

Minutes of ATFM delay caused by ATC capacity or staffing (delay codes C and S).

ID
Delay_Disruptions (ATC)
Type
numeric
Label
Delay_Disruptions (ATC)
Description

Minutes of ATFM delay caused by ATC disruptions such as industrial action or equipment failures (delay codes I and T).

ID
Delay_Weather
Type
numeric
Label
Delay_Weather
Description

Minutes of ATFM delay caused by weather, including de-icing (delay codes W and D).

ID
Delay_Other
Type
numeric
Label
Delay_Other
Description

Minutes of ATFM delay from all other causes.

ID
Arrival ATFM delay/flight
Type
numeric
Label
Arrival ATFM delay/flight
Description

Average minutes of airport arrival ATFM delay per arrival on the day.

ID
Delay_per_flight_Aerodrome capacity
Type
numeric
Label
Delay_per_flight_Aerodrome capacity
Description

Average minutes per flight of ATFM delay caused by limited aerodrome capacity.

ID
Delay_per_flight_Capacity/Staffing (ATC)
Type
numeric
Label
Delay_per_flight_Capacity/Staffing (ATC)
Description

Average minutes per flight of ATFM delay caused by ATC capacity or staffing.

ID
Delay_per_flight_Disruptions (ATC)
Type
numeric
Label
Delay_per_flight_Disruptions (ATC)
Description

Average minutes per flight of ATFM delay caused by ATC disruptions.

ID
Delay_per_flight_Delay_Weather
Type
numeric
Label
Delay_per_flight_Delay_Weather
Description

Average minutes per flight of ATFM delay caused by weather.

ID
Delay_per_flight_Delay_Other
Type
numeric
Label
Delay_per_flight_Delay_Other
Description

Average minutes per flight of ATFM delay from all other causes.

ID
Day Previous Year
Type
timestamp
Label
Day Previous Year
Description

The day in the previous year used for comparison, chosen as the closest similar day of the week (364 days earlier).

ID
Arrival ATFM delay (prev year)
Type
numeric
Label
Arrival ATFM delay (prev year)
Description

Minutes of airport arrival ATFM delay on the comparison day in the previous year.

ID
Arrival ATFM delay/flight (prev year)
Type
numeric
Label
Arrival ATFM delay/flight (prev year)
Description

Average minutes of airport arrival ATFM delay per arrival on the comparison day in the previous year.

ID
Row type
Type
text
Label
Row type
Description

Whether the row is a day published in the daily file, or an earlier day rebuilt from that file's comparison columns, which carries only the compared values.

Additional Information

Field Value
Data last updated November 5, 2026
Metadata last updated November 6, 2026
Created November 5, 2026
Format CSV
License EUROCONTROL data terms (cite the source, non-commercial)
API name daily-atfm-delay-airports--main-airports
Data from 2024-03-02
Data to 2026-11-05
Datastore activeTrue
Has viewsTrue
Id8ab6c7fc-0f87-4e07-8851-c8afa877f886
Package id6b8d28f3-f349-44a9-911e-04056d22456f
Polaris aliasdaily-atfm-delay-airports--main-airports
Polaris keydaily-atfm-delay-airports:main-airports
Polaris period end2026-11-05
Polaris period start2024-03-02
Polaris roletable
Polaris sha2563b50771afb39387dae1b300c7dd5e104ae101b0c9583c0358db607f4360d7f29
Position0
Stateactive