Key Takeaways Spirit Airlines has rejected a renewed offer from Frontier Airlines, instead opting to continue with its bankruptcy restructuring.The sides detailed new communications from the last several weeks in SEC filings on Wednesday.

Rather than accept Frontier’s offer, Spirit said it will stick to its current plan to emerge from Chapter 11 bankruptcy.

The parent of Frontier Airlines made a new offer to combine with bankrupt Spirit Airlines Inc., renewing its pursuit of the struggling budget carrier after talks fell apart last year.