Most of the time Transactions not submitting to the block in Sepolia Network

[Fahadulhassan1]

Hello Everyone,
I'm facing the issue that I'm unable to submit transactions to the block every time , are you people facing the same issue?
I even pass the current block + 10 or current block +1
most of the time it does not enter into block , but sometimes it adds.

[EthanBlockson]

In Sepolia Flashbots dont validate block so often like in Mainnet (90%), its nearly 10% or even less.

Heres example of block that Flashbots has validated in Sepolia (https://sepolia.etherscan.io/block/6818033). It states 'Illuminate Dmocratize Dstribute' in Extra data (on Etherscan). So you can check blocks like this to validate your research.