All oxygen users who wish to use a portable oxygen concentrator, also known as a "POC", on board a commercial flight are required to have some version of a physician authorizaion form. Airline policies vary. Below are important links to airline oxygen policies and Physician's Authorization forms from major airlines.

Alaska Airlines Portable Oxygen Concentrator Policy


American Airlines Portable Oxygen Concentrator Policy


Amtrak Oxygen Policy


Frontier Airlines Portable Oxygen Concentrator Policy 


Hawaiian Airlines Portable Oxygen Concentrators


JetBlue Portable Oxygen Concentrator Policy


Spirit Portable Oxygen Concentrators


Southwest Airlines Portable Oxygen Concentrator Policy


United Airlines Portable Oxygen Concentrator Policy


US Airways Portable Oxygen Concentrator Policy