JetBlue Airways: Does not allow concentrators on board but will accept them as checked baggage.
Northwest Airlines: Allows the Inogen One to be used during flights but does not provide electrical power.
Southwest Airlines: Allows both the AirSep and Inogen One concentrators on board with a medical certificate at no extra charge.
US Airways: Allows both the AirSep and Inogen One concentrators on board with a medical certificate. Does not provide electrical power.
Sources: Airline representatives and Web sites
Portable oxygen concentrators are small, portable devices that separate oxygen from nitrogen and other gases in the air and provide oxygen to users at greater than 90 percent concentration.
The two devices, manufactured by AirSep Corporation and Inogen, Inc., do not use compressed oxygen, which the government classifies as a hazardous material. They work by filtering nitrogen from the...
Oxygen devices aid mobility, but also raise safety issues.
Major airlines provide oxygen but typically charge $75 to $100 for each leg of a flight. That increases the cost of a direct round-trip ticket by as much as $200.