| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 19 | OPO | EWR | 16:28 | 18:52 |
Delayed
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United Airlines Flight UA3857 connects Porto, Portugal to New York, United States, taking off from Porto Francisco de Sa Carneiro Airport OPO and landing at New York Newark Liberty International Airport EWR.
How long is the UA3857 flight from Porto to New York?
The average flight time from Porto to New York is 7 hours and 24 minutes. The flight distance is 5360 km / 3331 miles and the average flight speed is 724 km/h / 450 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3857 Porto to New York?
The Airportia On-Time Performance Rating for United Airlines Flight UA3857 is 4.1/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3857 arriving at?
Flight UA3857 arrives at New York Newark Liberty International Airport (EWR) Terminal B.
When was the latest UA3857 flight?
The latest flight took off on Wednesday, August 19th, 2026 with the flight status being En-Route on 18:52.
How else can the flight UA3857 be referenced as?
This United Airlines flight can also be referenced as UAL3857, UA 3857, UAL 3857.
How often is flight UA3857 delayed?
On average, 100% of all UA3857 flights are delayed. The average delay is 57 minutes.
Can I get compensation for my delayed or cancelled UA3857 flight or baggage issues?
If your UA3857 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 UA3857 Flight Tracker above for more details.
Other flights departing from Porto OPO: FR5483, FR5452, TP1827, EC6861
Other flights arriving at New York EWR: UA1261, UA546, AC8498, K59146
All flights connecting Porto OPO to New York EWR.