Poloniex's limited public data makes determining delayed deposit frequency difficult. How widespread the issue is is difficult to estimate without Poloniex's statistics. However, we can offer you other solutions:
• Use online forums and social media to assess the issue's prevalence. Search Reddit or BitcoinTalk for "Poloniex deposit delay" or "slow deposits Poloniex." These threads can demonstrate the problem's scope.
• Poloniex's Twitter and Telegram accounts should be followed for deposit delays and network congestion updates. The exchange may acknowledge the issue if it affects many users.
• Check your transaction details, especially the deposit address. Mistakes can delay or cost money. Track the transaction using a blockchain explorer if you have a transaction ID from the sending platform. Blockchain delays can delay deposit processing.
• Poloniex support can help with ongoing issues. Submit a support ticket with dates, amounts, and transaction IDs. Ask about platform issues causing repeated delays.
Feel free to contribute further information or insights in the comments or file your complaint.
Related Complaints
Unable to Access Poloniex Website – Seeking Support for Login Issues

I haven’t logged into the Poloniex website for a long time, but when I tried today, I couldn’t access it. Every time I enter the website address, I get a message saying, "This site can't be reached." I am frustrated by the lack of clear support or customer service options for resolving this issue. ...