Because your layover is more than 4 hours you might have to recheck the bag. Pre covid southwest didn't sell layovers over 4 hours and one time I booked a long layover and was told they wont check it all the way but now that they are selling these long layovers I feel they should be able to check the bag all the way although you might need to visit the full service counter to check in if the kiosk won't work.
When the layover is longer than 4 hours the system treats it like 2 one ways (even though it acts like a connection when booking) that's why in the email it shows flight 1 and flight 2. On the app or website it might show up with departing and departing but listed like 2 flights but not to worry you should be fine all the way to your final destination.
The one thing I'd be curious to find out is since the layover is so long and it shows up like 2 flights (as if it wasn't a connection) will it still check you in for both flights at once or will you have to check in twice.
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