Open data

Flight delay data & CSV

live

Live, citable flight-disruption datasets, free to use with attribution under CC BY 4.0. Built and maintained by Pro Flight Search.

Each dataset below updates automatically and links back to its live page and methodology. Researchers, data journalists and developers are welcome to download, analyse, and republish the figures with a credit and a link.

CC BY 4.0No signupUpdated hourlyStable URLs

Global airport delay data

Live delay index, median delays and cancellations across 200+ airports worldwide. Updated hourly.

Delay indexMedian delay (minutes)Cancellations

Weather-delay risk data

Per-airport weather-delay risk scores (0–100) from live METAR, TAF and forecast guidance. Updated hourly.

Weather-delay risk scoreFlight rules

Flight delay recovery by sector length

Paired actual departure and arrival delays showing how many minutes delayed flights recover, split by scheduled gate-to-gate length.

Recovered minutesScheduled sector length

Most disrupted airports today

A daily ranking of the airports with the worst live delays, updated hourly.

Delay indexMedian delay (minutes)Cancellations
Cite this dataset
200+ airportsUpdated hourly

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Source: Pro Flight Search open flight-disruption data (proflightsearch.com/data), CC BY 4.0, updated regularly.

Canonical URL
https://proflightsearch.com/data
How we measure this →

How the numbers are built: methodology. Citation guidance for media: /media.