Hard question to answer, but basically everyone flying the B737 or A320 as FO has been able to get the base they want within six months. There are 187 MCO B737 FOs, and a dozen or so have employed less than eight months.

But it all depends on the vacancy offerings. It might be offered to new hires straight out of indoc class, or they may not post any vacancies there for a year. So it's hard to say, but in general, up until now, everyone has been able to get what they want quickly.