Nonstop Flight
Direct Voyage
noun, verbal noun
Remember how 直行 is "nonstop"? Well, with 直航 it's the same thing, but it's only used for flights and boat trips, making this a nonstop flight or direct voyage.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
この船は神戸港に直航します。
This ship is on a direct voyage to Kobe Port.
子供がまだ小さいのでできれば直航の飛行機で行きたいと思っています。
My children are still small, so I would like to take a direct flight if possible.
この便はポートランドから東京まで直航せず、途中でアラスカに寄港します。
This flight doesn't go directly from Portland to Tokyo; it makes a stop in Alaska along the way.