Nice sale with Delta from New York-JFK to San Salvador, El Salvador. SkyMiles base members would earn 990 RDMs, 6226 MQMs and 198 MQDs.
Here is a Trip Report with Delta from New York to Dominican Republic on a Boeing 737.
What to do in San Salvador?
If you decide to use this ticket and have a long connection in San Salvador, the Joya de Cerén archaeological site which is sometimes called the Pompeii of the Americas is a short taxi ride from the airport. 4 hour tours from the airport can be arranged for under 100 USD depending on your level of Spanish. Joya de Ceren was named a UNESCO World Heritage Site in 1993.
Delta Business Class