Sanjiv Kapoor questions the rival's change in strategy and claims of full load.
The chief operating officer said that the carrier will surmount the present crisis very soon.
After all its flights remained grounded for most part of the day on Wednesday, cash-strapped SpiceJet resumed operations in the evening as oil companies, which had stopped fuel supplies to its aircraft, eased the restriction.
Crisis-hit SpiceJet hopedul of a turnaround.
SpiceJet has cut capacity by reducing its fleet to 35 Boeing 737 aircraft from 42 in December.
Indian airline SpiceJet Ltd said on Thursday that its billionaire owner, Kalanithi Maran has proposed to transfer majority ownership in the ailing carrier to co-founder Ajay Singh.
Civil aviation ministry to monitor flash sales and discount schemes: Source
If that happens, Jet Airways will be the first bankrupt airline which will be revived under the Insolvency process.