At this moment there are flights between Baltimore and Aruba. Your problem is that there is no flight leaving Atlanta that gets into Baltimore early enough to make the connecting flight. Likewise there is no flight leaving Baltimore to Atlanta late enough that the return flight from Aruba can connect with it. So if you want to fly Southwest to Aruba, you two options: 1) find an earlier flight into BWI and then a later flight back home (likely on another airline) 2) Plan to spend two nights in Baltimore - one on the outbound side and one on the return side. southwest.com/air/booking/select.html?int=HOMEQBOMAIR&adultPassengersCount=1&departureDate=2020-11-26&destinationAirportCode=AUA&fareType=USD&originationAirportCode=BWI&passengerType=ADULT&returnDate=2020-11-27&tripType=roundtrip&departureTimeOfDay=ALL_DAY&reset=true&returnTimeOfDay=ALL_DAY There are a few connecting flights to Aruba later this month, but nothing coming back. By mid March the schedule opens enough that there are connecting flights both ways.
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