Here Are the Main US Airlines, Ranked

While it always feels like a win to score a cheap plane ticket, price isn't the only factor that makes an airline desirable. WalletHub looked at the nine biggest domestic airlines, plus three regional carriers, examining four categories: safety; incidents involving animals; in-flight comfort and cost; and baggage, departures, and complaints. Coming in at the top of the list: Alaska Airlines, which also ranks as the safest airline. Here, how the rest of the rankings fell, with each airline's corresponding score out of 100:

1. Alaska Airlines; 63.5
2. Delta Air Lines; 59.7
3. SkyWest Airlines; 56.7
4. Spirit Airlines; 52.9
5. ExpressJet Airlines; 51
6. Hawaiian Airlines; 48.7
7. United Airlines; 45.9
8. JetBlue Airlines; 45
9. Southwest Airlines; 39
10. American Airlines; 38.4
11. Envoy Air; 36.2
12. Frontier Airlines; 30.4

Click for the full rankings and breakdowns of individual categories. (Here are the best airlines globally.)