Is it a big problem to overstay a Visa on Arrival for a few hours in Thailand?

The individual is inquiring about the implications of overstaying their Visa on Arrival in Thailand for a few hours, as they have a flight scheduled early on the 16th day of their stay. Community responses suggest that a short overstay of less than 24 hours is generally manageable, with the overstay fine likely waived and no significant issues encountered at immigration when departing.