Apparatus

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flight_takeoff Flight

UAL604K

Operated by United Airlines

Live map

Live map filtered to UAL604K. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
20:25 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 14 kt
Visibility
10 SM
Ceiling
FEW 300 ft, BKN 1,000 ft, BKN 3,500 ft
Temp / Dew
14°C / 11°C
Altimeter
30.09 inHg

Obs: 2026-05-30T02:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300256Z 27014KT 10SM FEW003 BKN010 BKN035 14/11 A3009 RMK AO2 SLP188 T01390111 53002

TAF KSFO 300301Z 3003/3106 27012KT P6SM BKN013 FM300600 26010KT P6SM OVC009 FM300900 26005KT P6SM BKN012 FM301700 29010KT P6SM SKC FM302000 28018KT P6SM SKC

warning FAA Advisories

  • Ground Delay: low ceilings (avg 1 hour and 5 minutes)

flight Live Traffic

flight_takeoff 238 Departures
flight_land 258 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
21:25 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
340° / 8 kt
Visibility
10 SM
Ceiling
FEW 7,000 ft, SCT 12,000 ft, BKN 20,000 ft
Temp / Dew
18°C / 8°C
Altimeter
29.80 inHg

Obs: 2026-05-30T02:53:00.000Z

Raw METAR / TAF 
METAR KDEN 300253Z 34008KT 10SM FEW070 SCT120 BKN200 18/08 A2980 RMK AO2 SLP025 T01830078 52002

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 496 Departures
flight_land 407 Arrivals

Recent history last 2

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-24 AA3B05 SFO → DEN May 24, 19:21 UTCMay 24, 21:08 UTC1h 47m +101m -11m
2026-05-24 AA3B05 SFO → DEN May 24, 19:05 UTCMay 24, 21:10 UTC2h 5m - -

Performance history

Flights tracked
2
Avg arrival delay
-11m
On-time arrival
100% 100% on time
Aircraft used
1

Monthly activity 1 month

Month Flights tracked
May 2026 2

UAL604K frequently asked

Where does flight UAL604K fly?
UAL604K (United Airlines) flies from SFO to DEN. View the full route page.
How long is flight UAL604K?
Based on observed flights, UAL604K takes on average 1h 56m from takeoff to landing.
How often does UAL604K fly?
UAL604K has been observed flying rarely in our tracking data. We've recorded 2 flights under this callsign.
Is flight UAL604K usually on time?
Across recent flights, UAL604K arrives 11 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
Can I track UAL604K live?
Yes. When UAL604K 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.