UK FLIGHT DELAY INDEX

derived from CAA punctuality statistics for UK reporting airports

UK Flight Delay Index

Explore the latest published UK arrival records, with separate departure comparisons, the monthly archive and source definitions.

These monthly observations describe the published population, not the circumstances of a particular flight.

Definitions and selection

Known operations are operated movements plus short-notice cancellations. Small cells are suppressed. Directory pages share the same immutable dataset version.

Source: CAA punctuality statistics · snapshot 17/08/2026 10:24 · method route-record-v2.1 · Versioned definitions and data.

Quick answers

What does this record cover?

Published CAA movements, with arrivals and departures kept separate.

Does this predict my flight?

No. Historical monthly aggregates cannot establish the outcome or circumstances of an individual flight.