| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | SFO | MEX | 16:06 | 20:44 |
Delayed
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| Oct 24 | SFO | MEX | 13:54 | 18:32 |
Landed
|
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| Oct 23 | SFO | MEX | 13:59 | 18:36 |
Landed
|
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| Oct 22 | SFO | MEX | 15:01 | 19:46 |
Delayed
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| Oct 21 | SFO | MEX | 13:35 | 18:24 |
Landed
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| Oct 20 | SFO | MEX | 13:46 | 18:32 |
Landed
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| Oct 19 | SFO | MEX | 13:43 | 18:30 |
Landed
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| Oct 18 | SFO | MEX | 14:41 | 19:24 |
Landed Late
|
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| Oct 17 | SFO | MEX | 13:39 | 18:30 |
Landed
|
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| Oct 16 | SFO | MEX | 13:46 | 18:31 |
Landed
|
Track > |
United Airlines Flight UA821 connects San Francisco, United States to Mexico City, Mexico, taking off from San Francisco International Airport SFO and landing at Mexico Benito Juarez International Airport MEX.
How long is the UA821 flight from San Francisco to Mexico City?
The average flight time from San Francisco to Mexico City is 3 hours and 43 minutes. The flight distance is 3028 km / 1882 miles and the average flight speed is 812 km/h / 504 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA821 San Francisco to Mexico City?
The Airportia On-Time Performance Rating for United Airlines Flight UA821 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA821 flight?
The latest flight took off on Sunday, October 26th, 2025 with the flight status being En-Route on 20:44.
How else can the flight UA821 be referenced as?
This United Airlines flight can also be referenced as UAL821, UA0821, UA 821, UAL 821.
How often is flight UA821 delayed?
On average, 30% of all UA821 flights are delayed. The average delay is 79 minutes.
Can I get compensation for my delayed or cancelled UA821 flight or baggage issues?
If your UA821 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 UA821 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: WN485, WN2356, UA5722, PD670
Other flights arriving at Mexico City MEX: 5D911, AM183, Y4373, AM867
All flights connecting San Francisco SFO to Mexico City MEX.
