Cebu Pacific president Lance Gokongwei. Joel Guinto, ABS-CBN News

MANILA - Cebu Pacific president Lance Gokongwei flew economy on a delayed Philippine Airlines (PAL) flight to Davao City on Sunday.

Gokongwei, wearing a mint blue shirt, fell in line with economy class passengers and quietly made his way to his seat.

President-elect Rodrigo Duterte is hosting business leaders in Davao for a two-day conference from Monday to present his 10-point economic plan.

Gokongwei, the only son of taipan John Gokongwei, is president and CEO of Cebu Pacific, the country's largest airline.