Skychuck From , joined Dec 1969, posts, RR:
Reply 2, posted (14 years 1 month 2 weeks 5 days 17 hours ago) and read 4836 times:
Both AA and DL operate hubs at JFK. But they are designed for international and transcontinental traffic flows. JetBlue operates a (for now) domestic hub there linking the northeast with Florida and the western US.