Apparatus

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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
04:45 CST
Timezone
America/Mexico_City
Type
Large Airport
Elevation
7,316 ft
Coordinates
19.4358, -99.0703

cloud Weather

Wind
70° / 4 kt
Visibility
9 SM
Ceiling
FEW 8,000 ft
Temp / Dew
12°C / 3°C
Altimeter
30.25 inHg

Obs: 2026-05-30T10:37:00.000Z

Raw METAR / TAF 
SPECI MMMX 301037Z 07004KT 9SM FEW080 12/03 A3025 NOSIG RMK 8/030 HZY

TAF COR MMMX 300950Z 3006/3106 05005KT P6SM SKC TX28/3022Z TN13/3012Z FM301800 03010KT P6SM SCT020 SCT080 FM302200 24015KT P6SM SCT020 FM310300 03005KT P6SM SKC

flight Live Traffic

flight_takeoff 43 Departures
flight_land 48 Arrivals

Arrival

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
03:45 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
240° / 5 kt
Visibility
10 SM
Ceiling
OVC 1,200 ft
Temp / Dew
13°C / 10°C
Altimeter
30.09 inHg

Obs: 2026-05-30T09:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300956Z 24005KT 10SM OVC012 13/10 A3009 RMK AO2 SLP190 T01280100

TAF KSFO 300900Z 3009/3112 27008KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 142 Departures
flight_land 122 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-30 A2A41E MEX → SFO May 30, 07:15 UTCMay 30, 08:20 UTC1h 5m - -
2026-05-30 A13DE2 MEX → SFO May 30, 02:50 UTCMay 30, 03:35 UTC45m - -
2026-05-30 A13DE2 MEX → SFO May 30, 01:00 UTCMay 30, 01:15 UTC15m - -
2026-05-29 A13DE2 MEX → SFO May 29, 07:40 UTCMay 29, 22:40 UTC15h 0m - -
2026-05-29 A31A34 MEX → SFO May 29, 01:30 UTCMay 29, 02:10 UTC40m - -
2026-05-28 A31A34 MEX → SFO May 28, 23:55 UTCMay 29, 00:10 UTC15m - -
2026-05-28 A31A34 MEX → SFO May 28, 07:14 UTCMay 28, 21:29 UTC14h 15m +19m +7m
2026-05-28 A31A34 MEX → SFO May 28, 07:10 UTCMay 28, 21:30 UTC14h 20m - -
2026-05-28 A4095F MEX → SFO May 28, 00:20 UTCMay 28, 02:25 UTC2h 5m - -
2026-05-27 A4095F MEX → SFO May 27, 07:30 UTCMay 27, 21:40 UTC14h 10m - -
2026-05-27 A254D7 MEX → SFO May 27, 01:34 UTCMay 27, 01:44 UTC10m - -
2026-05-27 A254D7 MEX → SFO May 27, 00:00 UTCMay 27, 00:10 UTC10m - -
2026-05-27 A254D7 MEX → SFO May 27, 00:01 UTCMay 27, 02:02 UTC2h 1m +21m -4m
2026-05-26 A254D7 MEX → SFO May 26, 07:19 UTCMay 26, 21:34 UTC14h 15m - -
2026-05-26 A31A77 MEX → SFO May 26, 01:49 UTCMay 26, 02:29 UTC40m - -
2026-05-26 A31A77 MEX → SFO May 26, 00:19 UTCMay 26, 00:29 UTC10m - -
2026-05-26 A31A77 MEX → SFO May 26, 00:01 UTCMay 26, 02:28 UTC2h 27m +21m -5m
2026-05-25 A31A77 MEX → SFO May 25, 07:15 UTCMay 25, 21:49 UTC14h 34m - -
2026-05-25 A31A57 MEX → SFO May 25, 00:01 UTCMay 25, 02:20 UTC2h 19m +21m -5m
2026-05-24 A31A57 MEX → SFO May 24, 07:14 UTCMay 24, 21:19 UTC14h 5m +19m +8m
2026-05-24 A31A57 MEX → SFO May 24, 07:10 UTCMay 24, 21:15 UTC14h 5m - -
2026-05-24 A47FDE MEX → SFO May 24, 01:30 UTCMay 24, 02:05 UTC35m - -
2026-05-23 A47FDE MEX → SFO May 23, 23:55 UTCMay 24, 00:00 UTC5m - -
2026-05-23 A47FDE MEX → SFO May 23, 07:14 UTCMay 23, 21:27 UTC14h 13m +19m -5m
2026-05-23 A47FDE MEX → SFO May 23, 07:20 UTCMay 23, 21:25 UTC14h 5m - -
2026-05-23 A2A3B6 MEX → SFO May 23, 00:05 UTCMay 23, 00:20 UTC15m - -
2026-05-23 A2A3B6 MEX → SFO May 23, 00:06 UTCMay 23, 02:23 UTC2h 17m +26m +5m
2026-05-22 A2A3B6 MEX → SFO May 22, 07:45 UTCMay 22, 21:55 UTC14h 9m - -
2026-05-22 A22D9F MEX → SFO May 22, 01:35 UTCMay 22, 02:15 UTC40m - -
2026-05-22 A22D9F MEX → SFO May 22, 00:00 UTCMay 22, 00:15 UTC15m - -

Performance history

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

Monthly activity 2 months

Month Flights tracked
May 2026 101
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 49m 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 178 flights under this callsign.
Is flight UAL820 usually on time?
Across recent flights, UAL820 arrives 0 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.