If you missed a flight with Southwest Airlines then there is no need to worry about it. You may follow the guidelines given below to avoid any kind of inconvenience
Immediately inform the airlines about it and go through Southwest Airlines Missed Flight Policy
If you have missed a flight or you are about to miss a flight and you are sure about it then you should immediately inform the airlines about it. This will help you in getting a refund of the unused portion of your ticket or booking a new flight with Southwest Airlines
Make a call at least ten minutes before the actual departure time. Explain your situation and reason behind missing the flight and if you are about to reach the airport and you are a few minutes late then you can also try pleading your case.

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