日航 (Rìháng) is the abbreviated Chinese name for Japan Airlines, one of Japan's major airline carriers. It is a common shortened form of the full name 日本航空 (Rìběn Hángkōng), frequently used in news reports and everyday speech.
我们订了日航的机票,下周五出发。
Wǒmen dìng le Rìháng de jīpiào, xià zhōuwǔ chūfā.
We booked Japan Airlines tickets and depart next Friday.
日航宣布将增加上海到大阪的航班。
Rìháng xuānbù jiāng zēngjiā Shànghǎi dào Dàbǎn de hángbān.
Japan Airlines announced it will increase flights from Shanghai to Osaka.
这次去日本,我坐的是日航的飞机,服务很不错。
Zhè cì qù Rìběn, wǒ zuò de shì Rìháng de fēijī, fúwù hěn búcuò.
For this trip to Japan, I flew Japan Airlines — the service was quite good.