Alaska Airlines comes in at No. 1 overall, and it's also the safest
                                
                                
                                    (Newser) -
                                    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,...