Yep, just looked. Always take the NS flight if they have one. So just an FYI in case you don't know, SWA is different in that there are no seat assignments like other airlines. You get a "seat" when you purchase your ticket. You must "check-in" 24 hours before your flight to get into an assigned boarding "group". Group A, B or C. To check in you must either pay SWA to automatically check you in when you purchase your ticket ($15 a ticket each way) or you can log in to Southwest.com 24 hours before your flight and check in for free. Once upon a time if you were logged in and had entered your flight conf number and were ready when the clock hit 24 hours pre flight you could always get a A1 -A30 boarding number. You line up by your boarding number so the lower your number the earlier you get to board and the more seats you have to pick from. Now more and more people are paying the $15 fee and they will always get an A boarding number of some sort. I have not paid, been right on the money to check in and gotten a "B" boarding number quite a few times. It all depends on how many people and how full the plane is and all the planes are full these days at least out here in the Southwest.
So your choice, pony up the $$$ and relax or save $30 each way and make sure you are near a computer when the check in time comes.
Also no meals are served. Peanuts and soft drinks are free. Beer, wine, mixed drinks are $5 each and they only deal with a CC, no cash.
So eat something before you get on board or take food on the plane.
Also most flights have free in flight TV via the Wifi. If you want to surf the web or watch a movie that cost $$ but they have like 15 channels of cable TV including all the NY locals for free. Watch on your phone, pad or laptop should you be crazy enough to lug one onboard.
Finally since most flights are full to almost full, if your traveling with your spouse and you want to sit together you can startout by one of you taking a window seat and one taking an aisle seat and then as the plane fills up only thing left will be the middle seats. Then those will start to fill. At some point someone could stop and ask to sit in your middle seat. if this happens its decision time. Do you want to sit next to your spouse by one of you moving over and giving the "intruder" either the window or the aisle or do you let the intruder sit between you? You could also take aisle seats across from each other.
Many times Mrs IB and I end up with nobody in the middle seat and we can stretch out a bit, sometimes its a full bus and we end up next to each other.
Anyways hope this helps you to navigate SWA as a "newbie"!