Since everyone here I spoke to says I am dispensational, then I will speak to that here. There is ONE PLAN, and there has always been only ONE PLAN of redemption. There is more than one part in that plan. Just as there is more than one part in the Bible. (Old Testament/New Testament). While there are two parts in the Bible, both parts speak to ONE TRUTH, not two different truths. The Gold of the Old Testament is the same God as in the New. It is not old God/new God.A few thoughts to start with this.
In dispensationalism, God has two plans for to peoples.
One plan for Israel and another for the church.
I believe looking at the cross in the dipsy way could influence one’s beliefs on this. Are the sacrifices something that will, after Christ returns be re-established in the 1000-year earthly millennium?
Or, we’re these sacrifices types and shadows, which are fulfilled in Christ?
The first part of the plan of redemption is the Old Testament. Israel. God's chosen people through whom the Messiah and salvation would come for the whole world. Not for just the Jews, not for just the church, for the whole world. And that is through the one plan which is the cross, that is Jesus death and resurrection. It is in that which we find salvation, and in that which we are baptized and partake of the table in remembrance.
The first part of the plan ends with not just Jesus' death and resurrection, but with the rejection of the Messiah by Israel. (Romans 11.) We now enter part 2, the times of the Gentiles. (Luke 21 : 24 They will fall by the sword and will be taken as prisoners to all the nations. Jerusalem will be trampled on by the Gentiles until the times of the Gentiles are fulfilled.)
Paul in Romans 11 says that the gospel and obedience came to the Gentiles because of the disobedience of Israel (rejection of the Messiah.) The Gentiles became "obedient" because they accepted the gospel and Jesus as Savior/Messiah. What about Israel at this time? Shut out. However, Paul says it is only partial. God has partially blinded/hardened Israel until the fulness of the Gentiles has come in. The understanding I have of this means that as a group Israel is shut out at this time, however, individual Jews are being saved every day. It is only partial. What some people seem to want to deny is he last part, the until part. Until means that what comes before will come to an end at a certain time. In this case, the partial blindness/hardening will end when the fulness of the Gentiles has come in. That is, it is after God has brought in the Gentiles (Gentile elect), that He will turn back to Israel, and will finally deal with Israel. And thus all Israel will be saved. I have spoken to a lot of people who take issue with Israel being saved AT ALL. They don't even want to hear about a remnant. Any possibility of their being elect within the nation of Israel.
The full understanding is this. Israel rejects the Messiah as a group (not speaking to the individual), so the gospel passes on to the Gentiles as a group (not dealing with individuals), and they become obedient. While it is individual, the focus of the gospel is now the Gentiles, not Israel. Once the fulness of the Gentiles has come in, God will complete His plan of redemption with Israel, and all Israel will be saved, and all of the elect, Gentile and Jew, are saved. It is one plan of redemption that has moving parts. Paul ends by saying that God has bound all in disobedience that He may have mercy on all. The remnant of Israel, as a group, will be saved after God has finished dealing with the Gentile elect as a group. And the grand finale of redemption will occur at Jesus' second coming.