I thought you were talking about the aftermath once the dust settles my apologies.
But I also agree with another poster by far SWA has one of the most lenient policies anyways. It's easy for other airlines to say "we'll temporarily allow this" when they haven't been doing that in the first place. SWA has been the airline to go that gives you a credit to begin with.
I've got a local DISer who is running into issues with Alaskan Air. They wouldn't give her or other people she knew anything for a cancellation they (meaning the passengers versus the airline) did for flights to Seattle (understandable) because they booked BEFORE a late February date IIRC. Nothing--not a voucher not even their own dang miles back. Maybe they've switched up their polices in the last week (haven't kept up on their issue) but at least with SWA (and the DISer did say that's what she gets for not booking with them) you could always get your miles back and you could get a credit even if it had a restriction it was something better than "you're out of luck".
Even if you put a date range here that would be unfortunate for my husband who flies March 30th but comes back April 2nd for a business trip (flights are still not booked yet) or when we both fly together on April 12th and come back April 16th and that's stressful to me to hope that SWA would just keep extending the date. We booked that in January I believe before all this Coronavirus came up. It's always going to impact someone. I know you were just throwing out a date.
I hear ya though. We don't really take advantage of price reductions unless we're booked on points honestly (which isn't often at the moment) The only reason we adjusted our flight this time for the April trip is because my husband's company initially paid for the ticket. Otherwise..we wouldn't have in this case as a direct result of Coronavirus. It would be unfortunate if we let the credits expire by mid-October but we don't know for sure what our plans will be in the coming months. I should note my ticket is booked on points so we would totally go for adjusting that one since we'll get those points back regardless.
Sorry didn't mean for this to become a longer thing here. I think we're all feeling the anxiety and stress this is all causing