BlueDevil wrote:
Yeah, Spirit looks pretty attractive when it shows up cheaper than the others on the travel search engines. But if you're the type of person who likes to travel with luggage, choose a seat, or have a drink of water, the Spirit "discount" vanishes quickly. Take a suitcase, bring a carry-on and choose a seat, you will end up paying more than the $100 difference.
Also, Spirit has problems recovering from flight cancellations. The Spirit fleet is booked solid and scheduled very tight. One cancelled flight has a domino effect that will last for several days. I know guys who have had Spirit flights cancelled, and were not able to get another flight until 5 or 6 days later. Unless the savings are so extreme, I would spend the extra $100, and book with one of the more traditional airlines.
Phoenix Rising wrote:
I fly Spirit very frequently but ONLY because I live in S FL. For the reasons BlueDevil stated I would NEVER fly them if I had to connect. They are too unreliable and do not compensate you adequately when they Phuck up. Imagine making all the arrangements for a trip you need to make in advance only to arrive at the airport to be told your flight was cancelled and we can't get you there for 5 or 6 days!!

And they then ask you if you want your money back

What would YOU do?
Blue Devil and Phoenix Rising make some very good and very valid points - as I too live in S FL, and don't have to change planes, I've flown them to SJO (and NY and Chicago as well) and candidly never had a problem.
(Does not mean I agree with or approve of their business model, and you have a better chance of seeing Jesus than me ever investing in the company - they recently did an IPO).
However......
They fly full (as do most flights these days; I absolve them of that!) and if they have only one or 2 flights to your destination, as Spirit does, it can be a problem.
If you are leaving out of Detroit, you should be familiar w/ being screwed, and poor service - high fares too! As NW (now part of Delta) was famous for poor service (Called it "Northworst"). In addition, you are likely going to have to change planes - which would make Spirit a non starter for me.
Here's a run down - and know if you pay $39 for annual membership in the "$9 Fare Club" Spirit offeres, the fees are somewhat less (but still exist!) - but you gotta factor in the membership cost.
Each way, to choose your own seat (a very good idea, for many reasons) is about $15 each way, so $30 total. Then you have a baggage fee of at least $30 each way (and if you carry on or check more than one bag, there is an additional charge per bag)- so its $60 RT - so round numbers.....its $90 - $100 IN ADDITION TO THE FARE QUOTED, FOR CHOOSING YOUR phucking SEAT AND ONE CARRYON

.
And that's a beef I have w/ them - for Christ sakes - you may not need a blanket, pillow, or a meal - but a seat is a must, correct? Also - its also impractical to assume you will not carry luggage - carry on or checked - while it can get out of hand a small carry on should be considered a part of normal travel.
Another thing is don't assume Spirit is always going to be cheaper - in May AA was $275 r/t MIA to SJO. Spirit from Ft Lauderdale was $335 r/t before the seat and baggage fees - plus I did not have to pay for my carryon bagggage or seat selection - was a very nice experience too!