Dhaka, April 18 -- Thai Airways International has notified ticket agents of potential schedule reductions in May across its domestic and international network, citing sharply rising fuel costs and softer passenger demand during the low season.

The Bangkok-based carrier said it has prepared options to help agents and passengers manage the upcoming changes.

On domestic routes, Thai Airways plans to reduce frequencies on flights to Khon Kaen from four to three flights per day, and services to Udon Thani will drop from three to two daily flights throughout May. Meanwhile, Ubon Ratchathani will see a reduction from 14 to 12 weekly flights between May 5 and 28.

In Southeast Asia, Phnom Penh services will be trimmed from 14 to 11 weekly fligh...