"all on schedule" is correct and usable in written English.
You can use it when you want to emphasize that a task is being completed on time and as planned. Example: The team successfully completed the project all on schedule.
Eleven patients total (all on Schedule 2/1) received growth factor support, including one patient before the amendment.
A dedicated project manager, Beca Jones, was needed to oversee and guide the entire scheme and did a sterling job in keeping us all on schedule, on budget and with every contingency accounted for – and this for a diverse team of scientists, builders, educators, designers, conservators, fund-raisers and artists.
Playing jazz, talking about jazz and evoking jazz through photographs are all on the schedule at Columbia University as part of the 2001 Verizon Music Festival.
Throughout the intervention, all but one subject attended and completed all sessions on schedule.
These two books aim to help people lose weight, build muscle mass, strengthen bones and improve flexibility -- all on schedules that are less labor intensive and time consuming.
There is certainly nothing here that you've forgotten: Gennifer Flowers, Monica Lewinsky, the stained dress and the various signature quotations all come along on schedule.
Most cruise lines diverted their ships away from the Western Caribbean in anticipation of Hurricane Dean's passage, though by August 27 all were back on schedule, except those with damaged ports in Belize and the Yucatán.
They've all occurred on schedule and without debate.
This year, finally, all seemed on schedule for a quarterfinal meeting if both could simply win Monday, when they faced opponents against whom they had a combined 19-1 record.
New York City Transit said subways and buses were all running on schedule yesterday, as were PATH trains under the Hudson and the suburban buses and trains of New Jersey Transit, which had suspended much of its service during the storm.
The relative dose intensity (RDI) was then calculated as the ratio of the actual dose intensity to the ideal value if planned doses were all given on schedule (Hryniuk and Levine, 1986).
