Methods and systems are provided for processing a transaction. An authorization request for the transaction is received over a financial network. The authorization request includes account information and transaction information specifying at least a transaction amount. A financial account is identified from the account information. A history of the financial account is analyzed to generate a prediction of a balance of the financial account at a specified future time. It is determined that the balance of the financial account at the specified future time will support the transaction for the transaction amount. An approval response is accordingly generated for the transaction.