Despite a previous visit on February 5, his latest impromptu inspection on Saturday night revealed continued delays in passenger processing. He posted on social media that he timed each stage of a passenger's journey and found significant wait times, especially at immigration.

Srettha has requested that the Airports of Thailand (AoT) and immigration officials closely review the process during busy times to quickly find and implement solutions.

Stating Thailand's objective to be a regional aviation hub, he emphasized the importance of positive first impressions and efficient service to support tourism.

In light of his February 5 visit, he declared that passing through immigration should take no more than 30 minutes, and luggage retrieval should be prompt.

These surprise visits come as Thailand plans extensive upgrades to its airports and aviation industry starting next month, including constructing a new runway at Suvarnabhumi.

At a recent forum, Srettha revealed the 44 billion baht investment plans for Suvarnabhumi and Don Mueang airports’ expansions. AoT President Kerati Kijmanawat confirmed security and service upgrades, aiming to handle 65 million passengers at Suvarnabhumi this year and increasing the satellite terminal 1's flight capacity.

The East Expansion project at Suvarnabhumi, costing 8 billion baht, will enhance passenger capacity, with the bid beginning in May. Don Mueang's 36 billion baht development will also include a new terminal, aiming to increase capacity from 30 to 50 million passengers per year, with bidding set for later this year.