The government of Pakistan extended its ban on international flight operations to and from the country until May 31.
The ban had previously been agreed to be lifted on May 15 but it was extended for another 16 days.
The dcision will not extend to special and chartered flights, according to a notice released on Friday. It has ordered strict SOPs to be observed when these flights take off and land.
Passengers arriving by special flights must be quarantined for 24 hours. PIA was using chartered flights to carry back Pakistanis stranded abroad.
Across the country, flight activity was closed following a spike in COVID-19. So far, Pakistan has reported over 36,000 cases of the deadly virus.