Delta is also continuing the New York (JFK) – Athens service it resumed in May, when Greece became one of the first countries in Europe to open its borders for inoculated American citizens.
The increase in services to Greece has come in response to passenger demand in the US, the carrier’s officials say.
Flights to Athens are on Airbus A330-300 aircraft and are combined with domestic US flights to and from another 150 cities across the country.