The E-Jets.

[Pilot Oatmeal]

I was wondering if anyone is making a nice profit using these jets?  specifically the smaller series ( 170/175)

I currently use the 195s and I'm having difficulty getting a good profit on them so Im just wondering 

Thank you
J. Oates

[Sami]

Had an airline with ERJ-145s and 170s and worked fine. Though it was a domestic carrier in Norway with lots of pax to fly.

Running a regional is of course the matter of stretching every buck, like in real life too.

[Pilot Oatmeal]

Thank You sami, when you say stretching every buck what do you mean.. Running low staff?

[GEnx]

He means that every single passenger counts. You need to plan and operate your aircraft as efficient as possible since profit margins are very low.

[ArcherII]

In MT3 I had a fleet of E170s in Brazil and each earned 500k. They had 4 to 5 flights a day though, but still quite impressive for the fuel sailing at USD900. The best thing about them is that they could run the competition out pretty quickly.
E190/5 are no worse either!

[filipebravo]

It's tight but possible (my own experience). Fly at least 4 times a day and you'll manage to get some profit, even with fuel ~1000USD. Don't forget to fly business class if you have demand, and always compress your Eco seating, as you're likely to be flying relatively short routes (if you respect that 4x a day rule).