| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | SFO | AUS | 11:25 | 16:36 |
Landed
|
Track > |
| May 19 | SFO | AUS | 11:55 | 17:04 |
Landed Late
|
Track > |
| May 18 | SFO | AUS | 11:55 | 17:02 |
Landed Late
|
Track > |
| May 17 | SFO | AUS | 11:04 | 16:04 |
Landed
|
Track > |
| May 16 | SFO | AUS | 11:46 | 16:44 |
Landed Late
|
Track > |
| May 15 | SFO | AUS | 11:19 | 16:18 |
Landed
|
Track > |
| May 14 | SFO | AUS | 11:02 | 16:04 |
Landed
|
Track > |
| May 13 | SFO | AUS | 11:31 | 16:35 |
Landed
|
Track > |
| May 12 | SFO | AUS | 11:17 | 16:23 |
Landed
|
Track > |
| May 11 | SFO | AUS | 11:58 | 17:03 |
Landed Late
|
Track > |
United Airlines Flight UA1639 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 UA1639 flight from San Francisco to Austin?
The average flight time from San Francisco to Austin is 3 hours and 4 minutes. The flight distance is 2416 km / 1501 miles and the average flight speed is 788 km/h / 489 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1639 San Francisco to Austin?
The Airportia On-Time Performance Rating for United Airlines Flight UA1639 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA1639 flight?
The latest flight took off on Wednesday, May 20th, 2026 with the flight status being Landed on 16:36.
How else can the flight UA1639 be referenced as?
This United Airlines flight can also be referenced as UAL1639, UA 1639, UAL 1639.
How often is flight UA1639 delayed?
On average, 60% of all UA1639 flights are delayed. The average delay is 25 minutes.
Can I get compensation for my delayed or cancelled UA1639 flight or baggage issues?
If your UA1639 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 UA1639 Flight Tracker above for more details.
Flight UA1639 is code-shared by 2 airlines using the flight numbers AC4029, VA8471
Other flights departing from San Francisco SFO: AA1253, UA1706, UA1150, AA6378
Other flights arriving at Austin AUS: B61039, UA2198, AA3048, AA3444
All flights connecting San Francisco SFO to Austin AUS.