Two people have died on separate Perth flights today.
Police have confirmed a passenger died while flying from Sydney to Perth on QF589 this morning. The plane landed in Perth at 11.55am.
The second passenger, a female aged in her 30s, is believed to have suffered a heart attack and died on QF642 while flying from Perth to Sydney.
The flight diverted to Adelaide and arrived at 2.17pm.
Qantas has confirmed there were two medical emergencies, although the airline did not have authority to confirm the condition of the passengers.