What are the current departure times and recommendations for flying from Suvarnabhumi Airport?

Travelers flying from Suvarnabhumi Airport are advised to arrive at least 3 to 4 hours before their flights due to high passenger volume and potential delays at security and immigration. Some users recommend utilizing fast track services, which can significantly reduce waiting times to about 10 minutes if booked in advance. Current experiences indicate that security lines can be extensive, and immigration may be slow, as noted by travelers who nearly missed their flights.