Low potassium (hypokalemia) refers to a lower than normal potassium level in your bloodstream. Potassium is a chemical (electrolyte) that is critical to the proper functioning of nerve and muscles cells, particularly heart muscle cells. Normally, your blood potassium level is 3.6 to 5.2 millimoles per liter (mmol/L).
If it's your first time to that airport maybe two hours for a domestic flight and three for an international flight. If you've been to this â¦airport before an hour and a half (maybe less if you don't intend to check bags) for a domestic flight.
When traveling to the U.S. from an international city, we suggest that you arrive at least three hours prior to your flightâs scheduled departure time during peak travel periods. Boarding may begin as early as 30 minutes prior to your flightâs departure time. You should be in the gate area with your boarding pass in hand at least 10 minutes prior to departure, or your reservations may be cancelled and you will not be eligible for denied boarding compensation.