Delta Air Lines Expands Network In New York And Boston 3 minute read Delta Air Lines has announced it will serve four new markets from Boston and New York City. The carrier will also increase the use of its A220 fleet in the Bostonian market, appealing to the business travelers in this region. Let’s investigate further. Delta will start using the A220 out of Boston later this year. Photo: Vincenzo Pace | Simple Flying Boston market increase As of next week, Delta will offer 16 routes out of Boston’s Logan International Airport (BOS). This includes the launch of its new international service to Reykjavík, Iceland, beginning on May 20.