UA3870 Flight Status United Airlines: Rio de Janeiro to San Francisco (UAL3870)

How long is the UA3870 flight from Rio de Janeiro to San Francisco?

The average flight time from Rio de Janeiro to San Francisco is 12 hours and 58 minutes. The flight distance is 10638 km / 6610 miles and the average flight speed is 820 km/h / 510 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3870 Rio de Janeiro to San Francisco?

The Airportia On-Time Performance Rating for United Airlines Flight UA3870 is 2.1/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA3870 arriving at?

Flight UA3870 arrives at San Francisco International Airport (SFO) Terminal INTL.

When was the latest UA3870 flight?

The latest flight took off on Sunday, May 17th, 2026 with the flight status being En-Route on 22:04.

How else can the flight UA3870 be referenced as?

This United Airlines flight can also be referenced as UAL3870, UA 3870, UAL 3870.

How often is flight UA3870 delayed?

On average, 100% of all UA3870 flights are delayed. The average delay is 173 minutes.

Can I get compensation for my delayed or cancelled UA3870 flight or baggage issues?

If your UA3870 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.