SELECT OriginCountry, OriginCityName FROM opensearch_dashboards_sample_data_flights GROUP BY OriginCountry, OriginCityName ORDER BY OriginCityName DESC
SELECT FlightDelay, OriginCountry, OriginCityName FROM opensearch_dashboards_sample_data_flights GROUP BY FlightDelay, OriginCountry, OriginCityName ORDER BY OriginCityName DESC, OriginCountry