| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 19 | SFO | AUS | 16:40 | 22:05 |
En-Route
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| May 16 | SFO | AUS | 16:38 | 21:43 |
Landed
|
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| May 12 | SFO | AUS | 17:44 | 22:52 |
Delayed
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| May 09 | SFO | AUS | 16:35 | 21:33 |
Landed
|
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| May 05 | SFO | AUS | 17:13 | 22:33 |
Unknown
|
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| May 02 | SFO | AUS | 16:40 | 21:52 |
Unknown
|
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United Airlines Flight UA439 connects San Francisco, United States to Austin, United States, taking off from San Francisco International Airport SFO and landing at Austin Bergstrom International Airport AUS.
How long is the UA439 flight from San Francisco to Austin?
The average flight time from San Francisco to Austin is 3 hours and 11 minutes. The flight distance is 2416 km / 1501 miles and the average flight speed is 759 km/h / 472 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA439 San Francisco to Austin?
The Airportia On-Time Performance Rating for United Airlines Flight UA439 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA439 flight?
The latest flight took off on Wednesday, May 20th, 2026 with the flight status being En-Route on 22:05.
How else can the flight UA439 be referenced as?
This United Airlines flight can also be referenced as UAL439, UA0439, UA 439, UAL 439.
How often is flight UA439 delayed?
On average, 50% of all UA439 flights are delayed. The average delay is 26 minutes.
Can I get compensation for my delayed or cancelled UA439 flight or baggage issues?
If your UA439 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 UA439 Flight Tracker above for more details.
Flight UA439 is code-shared by 2 airlines using the flight numbers AC5484, VA8469
Other flights departing from San Francisco SFO: UA2077, DE2097, TP238, UA1097
Other flights arriving at Austin AUS: DL1081, AA1041, WN1252, UA439
All flights connecting San Francisco SFO to Austin AUS.