These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Ensemble Darkhorse: Antonio. A fan favorite from day one, his role grew more prominent each season. Just before the show's cancellation, he was heading rapidly toward Breakout Character status.
The show in general. Despite constantly being moved from one time slot to another, the ratings held firm and it lasted for a solid seven seasons.
"Funny Aneurysm" Moment: Tim Daly played a character married to someone named Helen. Three years after the series ended, in the remake of The Fugitive, he played a character (the title character, in fact) married to someone named. . .Helen.
Harsher in Hindsight: In a sad irony for a show about running an airline service, David Angell and his wife, Lynn, were both killed when they were flying back home to California after attending a family wedding in Cape Cod, when the plane that they were on, American Airlines Flight 11, was hijacked and deliberately flown into the World Trade Center in New York City on September 11, 2001.
Never Live It Down: In-Universe. Although her character was thin throughout the run of the show, Helen was constantly teased because she used to be fat. In fact, there were more fat jokes about Helen's character than the actually overweight Roy.
Replacement Scrappy: Budd Bronski, the mechanic who replaced Lowell. He was criticized for essentially being the same character.
The Scrappy: Casey. Some fans were able to appreciate what she brought to the ensemble, while others feel her arrival is when the show jumped the shark. Others feel she sucked at first, but got better once the writers ditched the spoiled rich girl persona and gave her an actual personality.
Alex, the character who preceded Casey, was not universally popular herself.
Harsher in Hindsight — Both of the songs Jimmy McCulloch wrote and sang for the band, "Medicine Jar" and "Wino Junko" carried strong anti-drug messages. After leaving the band, he would die of a drug overdose.
Just about anything Paul did after leaving the Beatles but before The Beatles Anthology will be attributed to Wings. It doesn't help that compilations make little distinction between Wings and Paul on his own; they all include songs from both "artists" regardless of what the focus of the compilation is supposed to be. All The Best! is officially a Paul McCartney album, but over half the songs are by Wings. Wingspan features quite a few songs which are Paul solo or Paul and Linda. Even Wings Greatest includes Paul solo and Paul & Linda.