How can I tell when I’m booking a flight if that plane will be boeing? I would like to avoid them (for the time being at least).
Most airlines typically try to purchase their fleet all from the same manufacturer if they can. There's a lot of additional cost that goes into maintenance, pilot training, pilot availability, etc. that has to be accounted for if you're mixing aircraft from different manufacturers. You can just look up the aircraft owned by an airline and it will give you a pretty good idea what to expect. You can also go on flight t…
Most of the big ones have a mix of Boeing and Airbus (plus smaller Canadair/Embraer etc. ones for their regionals). Some of the budget airlines are notable for having a single aircrat or single manufacturer fleet - Ryan Air, Southwest, Jet Blue.