JetBlue has been focused on cutting unprofitable flights to stem losses. The carrier also has been trimming underperforming routes to focus on core markets. JetBlue is ending some Miami flights and said the carrier will be overstaffed there.

JetBlue Airways Corp. is cutting more unprofitable routes from its network, including flights between New York’s John F. Kennedy airport and Miami, and suspending some services to Europe as it works to refocus operations on core markets.

AUSTIN (KXAN) — JetBlue Airways has canceled its nonstop route between Austin and New York’s John F. Kennedy Airport. The summer seasonal route won’t return next year, an airline spokesperson told KXAN. “At JetBlue, we’re always working to fine ...