In the early hours of May 2, low-cost carrier Spirit Airlines definitively collapsed and canceled all flights after weeks of talks to save the beleaguered airline ultimately led to nothing. “Despite the Company’s efforts, the recent material increase in oil prices and other pressures on the business have significantly impacted Spirit’s financial outlook,” the Florida-based airline that built a brand out of offering rock-bottom base fares said in a brief press release. “With no additional funding available to the company, Spirit had no choice but to begin this wind-down.” The announcement came just past midnight on May 2 when no Spirit planes were in the air but anything scheduled for later in the day will now not be going forward. This leaves thousands of travelers across North America (Spirit flew both domestically and to some Caribbean destinations) either immediately stranded or with invalid tickets in the coming months.…