I am accustomed to consuming a 3-4 quarts of water per day and recently flew RDU>Reno and was constantly asking for water on the plane to stay hydrated. Perhaps bottles of water could be offered to passengers as they walk on the plane. I realize it may increase cost as more folks may be inclined to take one and secondarily that it may increase trash on the plane (both detriments to maintaining a lean and efficient air line).
The only sure answer is to keep ringing the flight attendant button and asking for water (it is my experience that Southwest attendents will not hand out bottles of water when asked nor will they provide you more than one water cup).
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