United Flight CI838 Deals & Information (2025/2026)

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Frequently asked questions

What route does flight number UA838 take?
Flight number UA838 flies directly from Tokyo Airport (NRT-Narita Intl.) to San Francisco, CA Airport (SFO-San Francisco Intl.). During this journey, expect to be in the air for roughly 9 hours and 30 minutes. It's wise to book ahead to get your favorite seat.
How often is UA838 on time?
If you're traveling on United Airlines flight number UA838 between Narita Intl. Airport (NRT) and San Francisco, CA Airport (SFO-San Francisco Intl.), 93% of these services leave on schedule. On the rare occasion that there is a delay, you can expect to wait about 39 minutes on average. Thanks to the airline's quality service, this trip has a 3.3-star rating.
What terminal does UA838 fly out of?
Flights between Tokyo Narita Airport and San Francisco Intl. Airport (SFO) are served by UA838, and travelers booked on this flight usually board from Terminal 1.
What kind of plane is on flight number UA838?
The route for flight number UA838 is generally NRT to San Francisco, CA Airport (SFO-San Francisco Intl.), and the Boeing 777-300ER is the type of aircraft you'll probably be traveling on.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA838 flight with Travelocity, please visit our Customer Service Portal.