Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL820

Operated by United Airlines

Live map

Live map filtered to UAL820. Shown when the flight is currently airborne.

Route airports View route page →

Departure

MEX MMMX VFR

Mexico City Benito Juárez International Airport

Mexico City, MX

Local time
13:52 CST
Timezone
America/Mexico_City
Type
Large Airport
Elevation
7,316 ft
Coordinates
19.4358, -99.0703

cloud Weather

Wind
0° / 0 kt
Visibility
6 SM
Ceiling
SCT 2,000 ft, OVC 20,000 ft
Temp / Dew
22°C / 10°C
Altimeter
30.38 inHg

Obs: 2026-08-29T18:47:00.000Z

Raw METAR / TAF 
METAR MMMX 291847Z 00000KT 6SM SCT020 OVC200 22/10 A3038 NOSIG RMK 8/107 HZY

TAF COR MMMX 291846Z 2918/3018 15005KT 6SM HZ SCT020 BKN200 TX24/2920Z TN14/3011Z FM292100 15010KT P6SM SCT020CB TEMPO 2922/3002 VRB10G20KT 4SM TSRA BKN020CB FM300200 33010KT 6SM -RA BKN020CB TEMPO 3002/3005 3SM TSRA OVC020CB FM300600 05005KT P6SM SCT020 BKN080

flight Live Traffic

flight_takeoff 32 Departures
flight_land 29 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
12:52 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
300° / 13 kt
Visibility
10 SM
Ceiling
FEW 800 ft
Temp / Dew
21°C / 12°C
Altimeter
30.01 inHg

Obs: 2026-08-29T18:56:00.000Z

Raw METAR / TAF 
METAR KSFO 291856Z 30013KT 10SM FEW008 21/12 A3001 RMK AO2 SLP161 T02110117 $

TAF KSFO 291738Z 2918/3024 30010KT P6SM FEW006 FM292000 29016KT P6SM FEW006 FM300000 28016G25KT P6SM SKC FM300600 28014KT P6SM SKC FM301200 27010KT P6SM BKN013 FM301800 27012KT P6SM SCT015

flight Live Traffic

flight_takeoff 259 Departures
flight_land 195 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A31A50 MEX → SFO Jul 26, 07:40 UTCJul 26, 21:20 UTC13h 40m - -
2026-07-25 A4095F MEX → SFO Jul 25, 21:05 UTCJul 25, 21:15 UTC10m - -
2026-07-25 A4095F MEX → SFO Jul 25, 07:15 UTCJul 25, 17:40 UTC10h 25m - -
2026-07-25 A4095F MEX → SFO Jul 25, 07:14 UTCJul 25, 21:06 UTC13h 52m +19m -21m
2026-07-25 A31A96 MEX → SFO Jul 25, 00:13 UTCJul 25, 02:21 UTC2h 8m +33m +2m
2026-07-25 A31A96 MEX → SFO Jul 25, 00:10 UTCJul 25, 00:25 UTC15m - -
2026-07-24 A31A96 MEX → SFO Jul 24, 07:45 UTCJul 24, 22:10 UTC14h 25m - -
2026-07-24 A43100 MEX → SFO Jul 24, 01:55 UTCJul 24, 02:25 UTC30m - -
2026-07-24 A43100 MEX → SFO Jul 24, 00:05 UTCJul 24, 00:15 UTC10m - -
2026-07-23 A43100 MEX → SFO Jul 23, 07:35 UTCJul 23, 21:20 UTC13h 45m - -
2026-07-23 A31A56 MEX → SFO Jul 23, 00:01 UTCJul 23, 02:24 UTC2h 23m +21m +2m
2026-07-23 A31A56 MEX → SFO Jul 23, 00:05 UTCJul 23, 00:20 UTC15m - -
2026-07-22 A31A56 MEX → SFO Jul 22, 16:45 UTCJul 22, 20:55 UTC4h 10m - -
2026-07-22 A31A34 MEX → SFO Jul 22, 00:00 UTCJul 22, 02:15 UTC2h 15m - -
2026-07-21 A31A34 MEX → SFO Jul 21, 07:10 UTCJul 21, 18:25 UTC11h 15m - -
2026-07-21 A31A34 MEX → SFO Jul 21, 07:14 UTCJul 21, 20:47 UTC13h 33m +19m +8m
2026-07-20 A09FC4 MEX → SFO Jul 20, 23:50 UTCJul 21, 02:05 UTC2h 15m - -
2026-07-20 A09FC4 MEX → SFO Jul 20, 07:15 UTCJul 20, 20:50 UTC13h 35m - -
2026-07-20 A31A34 MEX → SFO Jul 20, 03:05 UTCJul 20, 03:25 UTC20m - -
2026-07-20 A31A34 MEX → SFO Jul 20, 01:10 UTCJul 20, 01:25 UTC15m - -
2026-07-20 A31A34 MEX → SFO Jul 20, 00:51 UTCJul 20, 03:15 UTC2h 24m +71m -2m
2026-07-19 A31A34 MEX → SFO Jul 19, 09:10 UTCJul 19, 10:10 UTC1h 0m - -
2026-07-19 A31A34 MEX → SFO Jul 19, 08:59 UTCJul 19, 22:49 UTC13h 50m +124m +10m
2026-07-19 A22D7B MEX → SFO Jul 19, 00:05 UTCJul 19, 00:20 UTC15m - -
2026-07-19 A22D7B MEX → SFO Jul 19, 00:01 UTCJul 19, 02:11 UTC2h 10m +21m -7m
2026-07-18 A31A57 MEX → SFO Jul 18, 07:55 UTCJul 18, 21:15 UTC13h 20m - -
2026-07-18 A31A57 MEX → SFO Jul 18, 07:14 UTCJul 18, 21:16 UTC14h 2m +19m -30m
2026-07-18 A2A41E MEX → SFO Jul 18, 02:40 UTCJul 18, 03:00 UTC21m - -
2026-07-18 A2A41E MEX → SFO Jul 18, 00:39 UTCJul 18, 00:55 UTC15m - -
2026-07-17 A2A41E - Jul 17, 09:20 UTCJul 17, 10:25 UTC1h 5m - -

Performance history

Flights tracked
369 showing last 30
Avg arrival delay
-5m
On-time arrival
100% 100% on time
Aircraft used
10

Monthly activity 4 months

Month Flights tracked
July 2026 90
June 2026 97
May 2026 105
April 2026 77

UAL820 frequently asked

Where does flight UAL820 fly?
UAL820 (United Airlines) flies from MEX to SFO. View the full route page.
How long is flight UAL820?
Based on observed flights, UAL820 takes on average 5h 37m from takeoff to landing.
How often does UAL820 fly?
UAL820 has been observed flying several times a week in our tracking data. We've recorded 369 flights under this callsign.
Is flight UAL820 usually on time?
Across recent flights, UAL820 arrives 5 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL820?
UAL820 has been operated by 10 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL820 live?
Yes. When UAL820 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.