united flight meaning in English

联合航空公司

United flight dispatch first send out its own search party, without success .
联航飞行调度处先是派出了它自己的搜索队，但是没有找到。
Where may i check in for united flight number 706
我可以到哪里办理联合航空706次班机登机手续？
Their ships were burnt ; there was no hope of safety but in keeping together and in flight , and all the forces of the french were bent on this united flight
慢了则必死无疑希望在前面。只有破釜沉舟，除了集体逃跑，没有别的道路可以选择，于是法国人就竭尽其全力集体逃跑。