I've yet to suffer a bad experience flying on Southwest Airlines. They're probably the few - if not the only airline - that puts fun into the most mundane cabin announcements! If ya ain't got a sense o' humor, you ain't getting a job workin' for Chairman Herb. (Chain-smoking Merits and swilling Wild Turkey may earn ya a few brownie points...

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Having to do the "Southwest Shuffle" outta Love Field? I can live with it. Peanuts (and the occasional snack pack on long-haul flights) and drinks only? No problem with me. No inflight entertainment?
Southwest Spirit magazine is a decent read.
No assigned seating? Get to the terminal EARLY for best seating.
The few times Southwest has had delays, they've been up front and told the reason why, instead of covering up with "technical difficulties".
Where else can you find an ex-Space Shuttle astronaut flying the line? Nowhere else but Southwest!
Now the other major airlines... with the exception of Continental, the others still suffer from an air of superiority, and it's biting them in the ass.