Key Takeaways JetBlue is adding daily summer routes from Boston to Barcelona and Milan to grow its transatlantic reach. The airline targets leisure demand with access to major cultural hubs and nearby vacation regions. JBLU differentiates via A321 Mint suites, free Wi-Fi and expanded entertainment on long-haul flights.JetBlue Airways (JBLU) is strengthening its transatlantic expansion by launching new daily summer seasonal service from Boston to Barcelona and Milan. The airline is doubling down on Boston Lo ...