I'm pretty darned loyal to UAL: 1K for years, tons of miles, etc. I fly them all the time and find that (a) the planes that I fly on are on time or early these days way more than 90% of the time; (b) the crews are pleasant, at least to me; (c) the flights are safe; and (d) my checked baggage always arrives with me. (Of course, I may have just jinxed myself by saying that.
![Big Grin :D :D](https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f600.png)
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In all honesty, Channel 9 is a frill and not having it wouldn't affect my buying decision, because no one else has it. But if UAL didn't have it and Delta started offering it, that might well get me thinking. As someone else mentioned above, economy plus seating is a big advantage when you're not upgraded.
I, too, fly United Express quite a lot. I think most passengers really do understand the difference between UAL and the regional carriers. Of all of the United Express carriers, I've found SkyWest to be just terrific -- at least the equivalent of UAL in service and often better.
Another thing mentioned above: it's rare to see a captain or first officer at the door at either the beginning or the end of the flight. I've had flights over the years where the captain or FO chose to walk down the aisle, say hello to folks and thank everyone for flying with the company. When that does happen, it's impressive and makes an impression. Seeing the captain standing by the door at the end of the flight isn't as substantial but better than nothing. Never seeing the flight crew from start to finish may be efficient in terms of operations but it's fairly lousy marketing.
Finally, you get the flights where the flight crew seems almost unwilling to communicate with the passengers. I've had more than a few flights where the seatbelt sign stayed on for almost the entire first hour with not a word from the flight crew. It always seems as if they're sitting there saying "how much longer do you think we can torture them and keep them from going to the bathrooms?" It's absolutely infuriating when the flight is smooth, the forecast is good and yet it goes on and on without a word from the flight crew. Eventually, I'll get to the point where I'll ask a FA to inquire when the seat belt sign will be turned off. Usually that gets it turned off instantly -- which is almost more aggravating because it then seems as if the flight crew had simply forgotten or chosen not to turn it off because a significant reason for not turning it off wouldn't be affected by a question from a FA.
In the end, communication from the front of the plane can make or break a flight. It's as simple as that.