Kind of off topic, but isnt Atlas and Kalitta the same company or am I misinformed?

You are misinformed

if only a Spirit pilot could just jumpseat on Atlas, or Kalita...🤔

Its Atlas and Southern I am thinking of isn’t it?

What makes Spirit attractive to long commuters is the schedule flexibility after you are awarded your schedule when you have a line. Yes, with those places you only have to commute a couple times a month but if that gig is not your thang than Spirit is the next best thing. All you have to do is get through FO reserve and you are home free for the rest of your career (don't upgrade until you can hold a line).

What country do you live in? They don't have an airline?

Probably won't get a response since OP never said anything after initial post.

Thank you for all the replies so far I really appreciate it. I am a dual US/AUS Citizen - I am looking at my options to move back to the USA. I own property in a very beautiful small town on the beach hence my questions for commuting. Before anyone says what about Qantas - this is why I have never had/never will have any desire to fly for Qantas in Australia is 1. Almost impossible to get into .if you aren't a certain breed. 2. Qantas has been going down the road of cost cutting and out sourcing everything even before COVID, During the good times the pay and conditions were already on a down wards trend. 3. Qantas career is boring - you enter as a second officer (not allowed to be at the controls below 20 000'), they barely fly to any international destinations, you can bid onto the 737 usually within 12-18 months of joining but with 10 days off a month, 15-20 year upgrade (forget an upgrade to Captain International if you join after your 25 or even FO long haul is 10-15 years) and their bidding system is not seniority based.

You want to commute from Australia?

Ideally yes - spend 2-3 weeks in base flying and then spend 2-3 weeks at home in Australia. I was seeing if that is at all a possibility with the schedule flexibility and cramming at least minimum credit into 2-3 weeks a month to have the block of days off (i.e. 1 week off at the end of 1 month and 1-2 weeks off at the beginning of the next month).

I mean theoretically anything is possible. But the moment you have a red reserve day it's pretty much game over.