| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 26 | SFO | AUS | 00:05 | 04:56 |
En-Route
|
Track > |
| Sep 25 | SFO | AUS | 00:19 | 05:20 |
Landed
|
Track > |
| Sep 24 | SFO | AUS | 00:18 | 05:32 |
Landed
|
Track > |
United Airlines Flight UA400 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 UA400 flight from San Francisco to Austin?
The average flight time from San Francisco to Austin is 3 hours and 2 minutes. The flight distance is 2416 km / 1501 miles and the average flight speed is 799 km/h / 496 mph.
How many UA400 flights are operated per week?
3 flights per week. The flight UA400 is operated on Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA400 San Francisco to Austin?
The Airportia On-Time Performance Rating for United Airlines Flight UA400 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA400 flight?
The latest flight took off on Sunday, September 27th, 2026 with the flight status being En-Route on 04:56.
How else can the flight UA400 be referenced as?
This United Airlines flight can also be referenced as UAL400, UA0400, UA 400, UAL 400.
How often is flight UA400 delayed?
On average, 0% of all UA400 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA400 flight or baggage issues?
If your UA400 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 UA400 Flight Tracker above for more details.
Flight UA400 is code-shared by 2 airlines using the flight numbers AC3661, VA8470
Other flights departing from San Francisco SFO: UA1947, UA505, UA2080, AC746
Other flights arriving at Austin AUS: SY3077, WN3905, OO4175, 2I1517
All flights connecting San Francisco SFO to Austin AUS.