Delta has said that it continually evaluates its network to make sure its schedule matches customer demand.
The airline's latest changes therefore represent a network adjustment rather than a withdrawal from the New York market.
Delta continues to operate a substantial network from both JFK and LaGuardia, serving numerous domestic and international destinations. The three route cancellations are targeted changes affecting specific city pairs.
Because airlines regularly adjust schedules based on demand and other operational considerations, travelers should avoid assuming that one route reduction represents a broader change to an airline's entire network.