JetBlue does not currently offer its premium Mint product on nonstop flights between New York and Denver. Mint—or, in other words, JetBlue Business class—is reserved for longer coast‑to‑coast routes and select international services
About Mint (JetBlue Business class)
Mint features lie‑flat seats, upscale dining, priority services, two checked bags, and premium amenities on select Airbus A321 aircraft
Typically available on ~5–6‑hour transcontinental and international routes (e.g., JFK–LAX, JFK–SFO, JFK–London, Caribbean, etc.)
Current route status: NY ↔ Denver
JetBlue flies nonstop between JFK and DEN (and reversed), but those use the standard Core cabin—no Mint offering.
Seasonal or occasional Mint?
Some travel blogs suggest Mint might appear "on New York–Denver … seasonally or not in standard schedule" , but these are anecdotal and not reflected in official JetBlue schedules. That said, the consensus is it's not a regular offering.
Bottom line
If you're planning to fly JetBlue Business class (Mint) between New York and Denver, here’s what to keep in mind:
No scheduled Mint service on JFK–DEN at present.
Mint remains available on true transcontinental (e.g., JFK–LAX/SFO) or international routes.
If flying Mint is a must, consider rerouting via a hub offering it (e.g., JFK–LAX/SFO–DEN). Otherwise, expect a Core‑class experience on Denver flights.