Tiller only pulls in cleared transactions. If you have pending credit card data it will not show up on your Transactions sheet until it has been settled with your financial institution.
We do this because there are some cases, like when you pay at a restaurant and leave a tip on your card, when the settled amount is slightly higher than the pending amount.
Want to see pending data in your sheets?
Visit the Tiller Community and vote for the Pending Transactions feature request.