| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 19 | SFO | GIG | 07:00 | 06:38 |
Delayed >3h
|
Track > |
| Oct 18 | SFO | GIG | 14:00 | 07:05 |
Delayed >3h
|
Track > |
United Airlines Flight UA3863 connects San Francisco, United States to Rio de Janeiro, Brazil, taking off from San Francisco International Airport SFO and landing at Rio de Janeiro Galeao International Airport GIG.
How long is the UA3863 flight from San Francisco to Rio de Janeiro?
The average flight time from San Francisco to Rio de Janeiro is 12 hours and 57 minutes. The flight distance is 10638 km / 6610 miles and the average flight speed is 817 km/h / 508 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3863 San Francisco to Rio de Janeiro?
The Airportia On-Time Performance Rating for United Airlines Flight UA3863 is 3.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3863 arriving at?
Flight UA3863 arrives at Rio de Janeiro Galeao International Airport (GIG) Terminal 2.
When was the latest UA3863 flight?
The latest flight took off on Monday, October 20th, 2025 with the flight status being Scheduled on 09:20.
How else can the flight UA3863 be referenced as?
This United Airlines flight can also be referenced as UAL3863, UA 3863, UAL 3863.
How often is flight UA3863 delayed?
On average, 50% of all UA3863 flights are delayed. The average delay is 162 minutes.
Can I get compensation for my delayed or cancelled UA3863 flight or baggage issues?
If your UA3863 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.
See our UA3863 Flight Tracker above for more details.
Claim compensation for your flight delay or cancellation!
Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >
Other flights departing from San Francisco SFO: AS1043, UA1437, WN185, AS249
Other flights arriving at Rio de Janeiro GIG: G32111, G39355, G31983, G31941
All flights connecting San Francisco SFO to Rio de Janeiro GIG.