Global delays (current or historical moment) / TIER 3

What is the current or historical delay situation in all airports? or What is the delay index of all airports globally right now or at a moment in past?

Please read more about airport delays on here: https://aerodatabox.com/api-airport-delays/

Returns: Statistical delay information about delays (median delay, delay index, cancelled flights) of arrivals and departures for all known airports, represented by a collection of items sorted by the average of arrival and departure index, descending order (from worst to best). Only qualifying and recent enough delay statistics records are returned.