The phrase "almost certainly due" is correct and usable in written English.
It can be used when expressing a high degree of likelihood regarding the cause of something.
Example: "The delays in the project are almost certainly due to unforeseen circumstances."
Alternatives: "likely caused by" or "probably attributable to".
That's almost certainly due to stress," says Rothwell.
But this was almost certainly due to the looming end of the federal tax credit.
Similar setbacks, almost certainly due to the dismal weather since late March, are also affecting rowan and elderberry.
Jonathan Samuels, chief executive of Dragonfly Property Finance, said that the surge in prices was almost certainly due to the general election result.
The prevalence of twitter.com in our data is almost certainly due to its social buttons ("share" or "follow"), which feature on web pages across the internet.
Dr. Andrew Taussig of Florida Hospital in Orlando said that if there were problems they were almost certainly due to doctor error.
"A lot of what we see in our injury data is almost certainly due to a statistical measure called exposure hours," Dr. Lawrence says.
This is almost certainly due to a large-scale intervention by Hezbollah, the Lebanese armed group, which has sent as many as two thousand fighters into Syria to save Assad.
I like to ascribe the tepid action to the fact that it's absurd to buy art that you haven't actually seen, but it was almost certainly due to the lack of see-and-be-seen sociability.
City have been well backed to win the Premier League "without the big four", almost certainly due more to investment from Abu Dhabi than their displays on the pitch.
The forecaster predicts snow and sleet for the northern half of the country "even down to the low levels", with the rest of the country almost certainly due to experience frost as winter starts to take hold.
