Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1204

Operated by United Airlines

Live map

Live map filtered to UAL1204. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
23:32 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
50° / 4 kt
Visibility
10 SM
Ceiling
FEW 12,000 ft, FEW 20,000 ft
Temp / Dew
14°C / 8°C
Altimeter
29.82 inHg

Obs: 2026-05-30T04:53:00.000Z

Raw METAR / TAF 
METAR KDEN 300453Z 05004KT 10SM FEW120 FEW200 14/08 A2982 RMK AO2 SLP028 T01440083

TAF KDEN 300253Z 3003/3106 34008KT P6SM FEW070 SCT120 BKN200 FM300600 32007KT P6SM FEW100 SCT200 FM300900 25006KT P6SM FEW100 SCT200 FM301400 28009KT P6SM SCT180 FM302100 31012KT P6SM VCSH SCT100 PROB30 3021/3101 VRB15G25KT FM310300 27013KT P6SM FEW080 SCT100

flight Live Traffic

flight_takeoff 457 Departures
flight_land 374 Arrivals

Arrival

SJC KSJC VFR

Norman Y. Mineta San Jose International Airport

San Jose, US

Local time
22:32 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
62 ft
Coordinates
37.3625, -121.9292

cloud Weather

Wind
360° / 8 kt
Visibility
10 SM
Ceiling
FEW 1,400 ft, SCT 2,500 ft, SCT 7,500 ft
Temp / Dew
14°C / 11°C
Altimeter
30.10 inHg

Obs: 2026-05-30T04:53:00.000Z

Raw METAR / TAF 
METAR KSJC 300453Z 36008KT 10SM FEW014 SCT025 SCT075 14/11 A3010 RMK AO2 SLP192 T01440111

TAF KSJC 300520Z 3006/3106 34006KT P6SM BKN015 FM301700 34006KT P6SM SKC FM302200 34016KT P6SM SKC

flight Live Traffic

flight_takeoff 36 Departures
flight_land 41 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-30 AB7067 DEN → SJC May 30, 00:30 UTCMay 30, 02:35 UTC2h 5m - -
2026-05-29 ABB440 DEN → SJC May 29, 00:00 UTCMay 29, 01:50 UTC1h 50m - -
2026-05-27 AB9B9D DEN → SJC May 27, 23:55 UTCMay 28, 01:55 UTC2h 0m - -
2026-05-27 A59B5E DEN → SJC May 27, 01:34 UTCMay 27, 03:54 UTC2h 20m - -
2026-05-26 AB050F DEN → SJC May 26, 00:04 UTCMay 26, 02:00 UTC1h 55m - -
2026-05-23 AB3655 DEN → SJC May 23, 23:50 UTCMay 24, 01:45 UTC1h 55m - -
2026-05-23 AB2169 DEN → SJC May 23, 00:00 UTCMay 23, 01:33 UTC1h 33m +20m +2m
2026-05-22 AB2169 DEN → SJC May 22, 23:45 UTCMay 23, 01:35 UTC1h 50m - -
2026-05-22 AB6542 DEN → SJC May 22, 00:10 UTCMay 22, 02:15 UTC2h 5m - -
2026-05-20 A5C694 DEN → SJC May 20, 13:35 UTCMay 20, 15:50 UTC2h 15m - -
2026-05-20 A5C694 DEN → SJC May 20, 13:47 UTCMay 20, 15:53 UTC2h 6m +32m -2m
2026-05-19 A62F93 DEN → SJC May 19, 13:30 UTCMay 19, 15:50 UTC2h 20m - -
2026-05-18 A16ADC DEN → SJC May 18, 14:15 UTCMay 18, 16:35 UTC2h 20m - -
2026-05-17 A5CE02 DEN → SJC May 17, 13:35 UTCMay 17, 15:55 UTC2h 20m - -
2026-05-17 A5CE02 DEN → SJC May 17, 13:32 UTCMay 17, 15:54 UTC2h 22m +17m -12m
2026-05-16 A60BCB DEN → SJC May 16, 13:55 UTCMay 16, 16:15 UTC2h 20m - -
2026-05-15 A5E44C DEN → SJC May 15, 13:25 UTCMay 15, 15:40 UTC2h 14m - -
2026-05-15 A5E44C DEN → SJC May 15, 13:32 UTCMay 15, 15:37 UTC2h 5m +17m -2m
2026-05-14 A562AA DEN → SJC May 14, 13:40 UTCMay 14, 15:45 UTC2h 5m - -
2026-05-13 A5EA5C DEN → SJC May 13, 13:31 UTCMay 13, 15:35 UTC2h 5m - -
2026-05-12 A58672 DEN → SJC May 12, 13:25 UTCMay 12, 15:40 UTC2h 15m - -
2026-05-11 A5EA5C DEN → SJC May 11, 13:30 UTCMay 11, 15:35 UTC2h 5m - -
2026-05-11 A5EA5C DEN → SJC May 11, 13:32 UTCMay 11, 15:33 UTC2h 1m +17m -3m
2026-05-10 A55017 DEN → SJC May 10, 13:30 UTCMay 10, 15:49 UTC2h 20m - -
2026-05-09 A5E44C DEN → SJC May 9, 14:20 UTCMay 9, 16:35 UTC2h 15m - -
2026-05-08 A54650 DEN → SJC May 8, 13:30 UTCMay 8, 15:45 UTC2h 15m - -
2026-05-07 A55785 DEN → SJC May 7, 13:35 UTCMay 7, 15:55 UTC2h 20m - -
2026-05-07 A55785 DEN → SJC May 7, 13:32 UTCMay 7, 15:50 UTC2h 18m +17m +3m
2026-05-06 A55EF3 DEN → SJC May 6, 13:40 UTCMay 6, 16:05 UTC2h 25m - -
2026-05-05 A524E1 DEN → SJC May 5, 13:40 UTCMay 5, 16:10 UTC2h 30m - -

Performance history

Flights tracked
62 showing last 30
Avg arrival delay
-2m
On-time arrival
100% 100% on time
Aircraft used
22

Monthly activity 2 months

Month Flights tracked
May 2026 35
April 2026 27

UAL1204 frequently asked

Where does flight UAL1204 fly?
UAL1204 (United Airlines) flies from DEN to SJC. View the full route page.
How long is flight UAL1204?
Based on observed flights, UAL1204 takes on average 2h 10m from takeoff to landing.
How often does UAL1204 fly?
UAL1204 has been observed flying several times a week in our tracking data. We've recorded 62 flights under this callsign.
Is flight UAL1204 usually on time?
Across recent flights, UAL1204 arrives 2 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1204?
UAL1204 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1204 live?
Yes. When UAL1204 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.