Sorry to hear of your father's predicamet. Almost all Southwest seats recline a bit. The exceptions are exit row seats, the seats immediately in front of exit rows, amd the very last row of seats on the plane. Gvien that, I'm afraid your father will be dealing with a federal rule that seats must be upright in takeoff or landing configuration. The rule is in place to insure the plane can be quickly evacuated should there be a need to do so.
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