Question: How many destinations an airline headquartered on the grounds of Cincinnati/Northern Kentucky International Airport, that was owned by one of the four founding members of the SkyTeam airline alliance, and operates joint ventures with Air France-KLM, Alitalia, Korean Air, China Eastern Airlines, Virgin Atlantic, and Virgin Australia?
Sentence (from "Delta Air Lines"): The airline along with its subsidiaries and regional affiliates operate over 5,400 flights daily and serve an extensive domestic and international network that includes 319 destinations in 54 countries on six continents, as of October 2016.
Relevant evidence: No