United's recent incidents/near-misses at Logan, Honolulu, etc. have been linked to pilot inexperience, new hires, pilot shortages, etc. UAL's never been my favorite airline and its recent run of bad luck isn't helping. If you have a choice, be forewarned.
https://beatofhawaii.com/pilots-at-fault-two-hawaii-airliner-near-crashes-probed/