New Delhi, May 1 (IANS) Air India will operate 40 domestic flights Sunday, as opposed to its normal frequency of 165, as the strike by around half the airline's 1,600 pilots entered its fifth day, an official said.

 
 "We will be operating 40 domestic flights. We will be utilising Boeing 737 aircraft of our subsidiary Air India Express on some sectors," an Air India spokesperson said here.
 
 "There were 78 flight cancellations from Mumbai till late Saturday night," the spokesperson added.
 
 The Indian Commercial Pilots Association (ICPA) pilots from the erstwhile Indian Airlines struck work midnight Tuesday demanding parity in pay with their counterparts in Air India.