| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 02 | ORD | GIG | 06:07 | 17:48 |
Delayed
|
Track > |
| Jun 30 | ORD | GIG | 21:30 | 08:50 |
Cancelled
|
Track > |
| Claim > | ||||||
United Airlines Flight UA3940 connects Chicago, United States to Rio de Janeiro, Brazil, taking off from Chicago O'Hare International Airport ORD and landing at Rio de Janeiro Galeao International Airport GIG.
How long is the UA3940 flight from Chicago to Rio de Janeiro?
The average flight time from Chicago to Rio de Janeiro is 9 hours and 41 minutes. The flight distance is 8541 km / 5307 miles and the average flight speed is 899 km/h / 558 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3940 Chicago to Rio de Janeiro?
The Airportia On-Time Performance Rating for United Airlines Flight UA3940 is 1/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3940 flight?
The latest flight took off on Friday, July 3rd, 2026 with the flight status being En-Route on 17:48.
How else can the flight UA3940 be referenced as?
This United Airlines flight can also be referenced as UAL3940, UA 3940, UAL 3940.
How often is flight UA3940 delayed?
On average, 50% of all UA3940 flights are delayed. The average delay is 528 minutes.
Can I get compensation for my delayed or cancelled UA3940 flight or baggage issues?
If your UA3940 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 UA3940 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 Chicago ORD: 5Y657, 5Y9524, BA9606, QR8170
Other flights arriving at Rio de Janeiro GIG: G32027, G32097, AR1272, G32027
All flights connecting Chicago ORD to Rio de Janeiro GIG.