SPIRIT AIRLINES' board still supports Frontier Airlines' $2.9 billion takeover bid for the airline, saying it determined JetBlue's competing $3.6 billion offer isn't a superior proposal. / MATT ROURKE / ASSOCIATED PRESS
Spirit Airlines' board still supports Frontier Airlines' $2.9 billion takeover bid for the airline, saying it determined JetBlue's competing $3.6 billion offer isn't a superior proposal. Last month Spirit said that after speaking with financial and legal advisers, its directors believed JetBlue's offer could "reasonably" turn out to be the better of the two deals.…