UA1777Newark to San Francisco
United Airlines flight UA1777 flies from Newark Liberty (EWR) to San Francisco (SFO), 4,118 km. Over August 2025 to July 2026 it usually arrives about 16 minutes late: 68% of 504 flights arrived within 15 minutes of schedule and 1.8% were cancelled (US Department of Transportation data).
On-time record, last 12 months
Every operation of UA1777, August 2025 to July 2026: 504 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as UA1777
Other flights from Newark to San Francisco
More about Newark Liberty (EWR) and San Francisco (SFO).
Embed this on your site
A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.
<a href="https://tripstow.com/flights/ua1777" title="UA1777 is on time 68% of the time on TripStow"><img src="https://tripstow.com/badge/flights/ua1777.svg" alt="UA1777 is on time 68% of the time" width="360" height="88" loading="lazy"></a>
<a href="https://tripstow.com/flights/ua1777" title="UA1777 is on time 68% of the time on TripStow"><img src="https://tripstow.com/badge/flights/ua1777.svg?theme=light" alt="UA1777 is on time 68% of the time" width="360" height="88" loading="lazy"></a>[](https://tripstow.com/flights/ua1777)Flying soon?
Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.
Start free