I mean it's not 100% of course, anything can get hung up, and I'm just relying on media reports that this one is a sure thing. It's a reauthorization, not a new bill, so that makes it much less likely to hit a snag. But yeah, there's hearings on basically everything. There were
13 hearings/markups going on at the same time as this one just in the House.
More broadly- in my experience it's a ridiculously busy and stressful job. Constantly pulled in five different directions any time you're at the office, risking stuff like this if you let someone pull you in the wrong direction, no wasting away the day screwing around on a message board or reading up on your favorite teams or hobbies. Kinda seems miserable, to be honest. Not all of them do the job that way, but I think most do.