| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 25 | JNB | SJU | 23:55 | 08:31 |
Cancelled
|
Track > |
United Airlines Flight UA3939 connects Johannesburg, South Africa to San Juan, Puerto Rico, taking off from Johannesburg OR Tambo International Airport JNB and landing at San Juan Luis Munoz Marin International Airport SJU.
What is the On-Time Performance (OTP) of United Airlines Flight UA3939 Johannesburg to San Juan?
The Airportia On-Time Performance Rating for United Airlines Flight UA3939 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3939 flight?
The latest flight was scheduled for Wednesday, August 26th, 2026 but was cancelled.
How else can the flight UA3939 be referenced as?
This United Airlines flight can also be referenced as UAL3939, UA 3939, UAL 3939.
How often is flight UA3939 delayed?
On average, 0% of all UA3939 flights are delayed. The average delay is 0 minutes.
See our UA3939 Flight Tracker above for more details.
Other flights departing from Johannesburg JNB: KQ2765, KL592, ET3848, Y6202
Other flights arriving at San Juan SJU: B6403, B61233, 9K34, M6832
All flights connecting Johannesburg JNB to San Juan SJU.