At present, the company is trying to secure interim funding from lenders to sustain its current level of operations.
The pilots along with engineers and senior management have not received their salaries for three months, whereas employees of other categories have not been paid for the month of March.
According to a Business Standard newspaper report on Sunday, Jet's lenders, led by the State Bank of India, are considering a proposal to infuse Rs 10 billion ($144.55 million) to keep the airline afloat.
Earlier in the day, the Guild, which has about 1,100 pilots as its members, chose to stop flying from April 15 in protest against non-payment of salaries for months.
Another report said that lenders to Jet Airways may not consider an initial bid from Goyal to regain control of the troubled airline as he did not fulfil certain conditions set by them while submitting the EoI on Friday. Therefore the "call of No Pay No Work stands deferred for the time being" to give the airline a chance of survival, it said.
Jet has "suspended" all flights to South and Southeast Asian nations as well as services from Chennai to Paris and Toronto, it said in a statement. A meeting between the airline management and its major lender SBI last Friday could not take a decision on the fund infusion issue.
Earlier, the airline's pilots, engineers and cabin crew members assembled at the headquarters to show their solidarity.
The development came on a day when the airline operated only 7 aircraft on domestic routes due to grounding of over 80 per cent of its fleet by lessors, which has resulted in the cancellation of several daily flights, inconveniencing scores of passengers at various airports.
It is learnt that the lenders are willing to infuse Rs 20 crore daily till May 7 as they expect the new investor to take control of the airline on the date and the remaining legalities and all other steps of the stake sale process can then be completed by May 31.
Etihad Aviation Group purchased a 24% stake in Jet Airways in 2013.
"Jet Airways has now suspended operations to SAARC and ASEAN destinations, as well as to Toronto and Paris from Chennai and back", said Jet Airways in a statement.