Any advice is appreciated.

I am choosing between UA and OZ to get to ICN (where I am connecting to an award itin on OZ). Will be flying in coach on a miles-earning fare.

UA pros:

- Annual E+ on UA will get me the same seat as in Y on OZ - 34" pitch;
- UA is a US carrier and I will be supporting local economy (however misguided it seems to support UA);
- UA fare is about half a grand lower.

UA cons:

- IRROPS. UA cancelled a bunch of int'l flights recently, which matters to me because I have to make my connections.

OZ pros:

- better service;
- same carrier as on award itin;
- lower chance of IRROPS.

OZ cons:

- not a US carrier;
- UA fare is lower.

TYIA.