The phrase "agreed on schedule" is correct and usable in written English.
It can be used when confirming that a plan or timeline has been accepted by all parties involved.
Example: "After much discussion, we finally agreed on schedule for the project milestones."
Alternatives: "settled on timeline" or "confirmed the schedule".
WASHINGTON, Jan . 16- Senate Republicans and Democrats agreed on Monday to schedule votes on the Supreme Court confirmation of Judge Samuel A. Alito Jr. in the Judiciary Committee on Jan . 24and on the Senate floor by Jan . 31
Still, Monday's agreement leaves plenty of room for future disputes, because the city and state must now agree on scheduling and other details.
Ms. Brown said the two sides several years ago agreed on a schedule of fee increases through next summer.
At the end, both sides agreed on a schedule to begin filing their first batch of post-discovery motions in the next two months.
We agreed on a schedule: on Thursday, I would watch her make chicken soup, potato kugel, tsimmes and gefilte fish, and on Friday, the challah, apple tart, cholent and roast chicken.
Daly and Fehr agreed on one point: No talks were scheduled for Friday or the weekend, Days 2 through 4 of what would have been the 2012-13 N.H.L. season.
In a briefing paper issued before the meeting, the Washington-based Center for Strategic and International Studies stated that one measure of success would be whether the sides agreed on a future schedule of country-to-country military exchanges.
But because different owners wanted it in different places, it racked up a lot of time in transit before the group agreed on a seasonal schedule.
Microsoft and the government agreed on an expedited schedule today for submitting briefs to the Supreme Court that will enable the court to decide whether to accept the antitrust case as soon as late August.
LONDON — The governing body of Britain's opposition Labour Party agreed on Tuesday to schedule a new election for its leadership, and ruled that Jeremy Corbyn, who faced a revolt from fellow Labour lawmakers, would be assured of a place on the ballot.
