| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 03 | SFO | ONT | 19:14 | 17:43 |
Unknown
|
Track > |
| Dec 27 | SFO | ONT | 16:31 | 17:28 |
Landed
|
Track > |
| Dec 20 | SFO | ONT | 17:27 | 18:23 |
Landed Late
|
Track > |
United Airlines Flight UA1973 connects San Francisco, United States to Ontario, United States, taking off from San Francisco International Airport SFO and landing at Ontario International Airport ONT.
How long is the UA1973 flight from San Francisco to Ontario?
The average flight time from San Francisco to Ontario is 56 minutes. The flight distance is 585 km / 363 miles and the average flight speed is 555 km/h / 345 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1973 San Francisco to Ontario?
The Airportia On-Time Performance Rating for United Airlines Flight UA1973 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1973 arriving at?
Flight UA1973 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest UA1973 flight?
The latest flight took off on Sunday, January 4th, 2026 with the flight status being Unknown on 17:43.
How else can the flight UA1973 be referenced as?
This United Airlines flight can also be referenced as UAL1973, UA 1973, UAL 1973.
How often is flight UA1973 delayed?
On average, 33% of all UA1973 flights are delayed. The average delay is 40 minutes.
Can I get compensation for my delayed or cancelled UA1973 flight or baggage issues?
If your UA1973 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 UA1973 Flight Tracker above for more details.
Flight UA1973 is code-shared by 2 airlines using the flight numbers AC4014, EK6372
Other flights departing from San Francisco SFO: UA2465, UA5384, UA4742, UA5239
Other flights arriving at Ontario ONT: DL3834, WN2576, WN3876, WN4373
All flights connecting San Francisco SFO to Ontario ONT.