Overview

• Service launches May 16, 2026 to Madrid and May 17, 2026 to Nice, with daily flights to Madrid and three weekly to Nice on Airbus A330-900neos.
• Both routes are seasonal and planned to run through late October 2026, with tickets expected to go on sale Saturday.
• Delta will make Boston–Barcelona daily next summer with service restarting May 7, while Boston–Milan returns four times weekly beginning May 16.
• The additions lift Delta’s tally of European destinations served from Boston to 12 for next summer.
• Delta is building out Boston as a transatlantic gateway in a head-to-head market with JetBlue, with competition also from Iberia on Boston–Madrid and recent lounge investments at Logan.