Check here if you have travel dates that fall within the Papal Visit which is January 15, 2015 to January 19, 2015.
From the Cebu Pacific Air website:
In line with the preparations for the visit of Pope Francis, the Civil Aviation Authority of the Philippines (CAAP) has announced limited operations at the Ninoy Aquino International Airport (NAIA) on January 15, 2015 (2:00PM – 7:00PM), on January 17, 2015 (7:45AM – 8:45AM and 5:45PM – 6:45PM), and on January 19, 2015 (6:00AM – 10:30AM).
In light of the advisory issued, the following CEB domestic and international flights have been cancelled on these dates:
Cebu Pacific Cancelled Domestic Flights:
Please click the image to enlarge or download the PDF file here: Cebu Pacific cancelled domestic flights