Bus-at one of the big four, more than half of the new hire seats are as FO, according to the monthly Flight Ops magazine. Years ago, Captain might take ten plus years, but for the time being, I've heard that now around five can apply-IF you are willing to be on reserve . It is usually best to avoid ever commuting while on reserve-many pilots regret that decision, when they have a choice. Your 12 days off are usually the only days available for travel (crew schedulers here rarely let pilots leave their base until the end of the last reserve day-they are not even aware that we would do them more favors, if they would reciprocate), which means very few nights at home per month, even if you are senior enough to get them in blocks of four or even a five-day sequence. I found the contract comparison for all the six largest US carriers. If you need more hourly figures or daily credt guarantee, monthly maximums or minimums, duty rig, governance, job security language etc, just holler.
Of course most of this will change.