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.
Arrive Early! Travelers are encouraged to arrive a minimum of two hours before domestic and three hours for international flights â give yourself time to park, check-in and get through security. Additionally, if youâre checking bags, add some extra time on top of it. Itâs always better to be early.