Is flight 408 arriving on schedule?  408航班准点抵达吗？

At which gate does fight 377 leave?  377航班在哪个门起飞？

At which gate does fight 377 arrive?  377航班从哪个门抵达？

Words and phrase

Airlines航空公司, flight航班, gate登机门, terminal航空终点站, book a flight预订航班, one way ticket单程票, coach二等舱, on schedule准时