My wife and I are flying into Narita Airport, Japan, on a United Airlines flight arriving at 3:30 pm from San Francisco. We're supposed to catch an Air Japan flight at 4:45 pm to Ho Chi Minh City, Vietnam.

According to Narita's website, both airlines are supposed to operate from Terminal 1 South Wing (International). I understand that Narita is huge and very busy, and I have never been there.

I don't know if it matters, but I am American and my wife is not.

Is this doable, or should I try to find a later flight out of Narita?

  • 1
    For any other readers wondering, there actually is a charter operator called Air Japan, which is part of ANA (so unrelated to Japan Airlines) and flies NRT-SGN. Commented Sep 5, 2018 at 5:32
  • The usual question: are both flights on the same ticket, and do you have checked luggage?
    – jcaron
    Commented Sep 5, 2018 at 6:16
  • @jcaron - Same ticket, probably checked luggage.
    – Bort
    Commented Sep 5, 2018 at 11:13

1 Answer 1


Narita has a sterile transit area so you don’t need to go through customs and immigration if you are traveling on a single ticket and your bags were checked through to your final destination. Then an hour is reasonable although I’m always nervous about delayed flights.

If you are traveling on two separate tickets because you used a discount ticket broker, then you may need to give yourself more time.

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