飞常准（Variflight.com）是全球领先的航班数据服务公司, 帮飞行旅客提供跟踪航班动态查询航班状态、延误智能预报、航班点评等专业性功能，为携程去哪儿途牛同程春秋航空机票购买用户提供航班行程查询，为商旅用户提供贴心便捷的旅行服务，为机场、空管提供ACDM，保障航班正常
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