You betcha!
(Technically, not just now, it seems 
but that’s less fun)
UP usually posts their Steam Locomotive (including the Big Boy N0. 4014) schedule on their website:
But it seems some delays in scheduling have happened, and it looks like 2023 hasn’t been made at all. But sign up for the Steam Club & they’ll email you!
And of course, as noted on that page, there’s a Face B00|< group.