It is safe to fly with oxygen, but generally the airline provides a form to have your physician fill out with details about the oxygen delivery.
Kukhuselekile ukuba ukhwele inqwelo-ntaka uneoksijini kodwa inkampani yezophapho iye ikunike ifomu ezaliswa ngugqirha wakho anike iinkcukacha zendlela oyinikwa ngayo ioksijini yakho.