Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1823

Operated by United Airlines

Live map

Live map filtered to UAL1823. 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
00:36 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 10 kt
Visibility
10 SM
Ceiling
OVC 1,000 ft
Temp / Dew
13°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-05-30T06:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300656Z 27010KT 10SM OVC010 13/11 A3011 RMK AO2 SLP195 T01280106

TAF KSFO 300520Z 3006/3112 26009KT P6SM OVC008 FM301000 27006KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 236 Departures
flight_land 160 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
01:36 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
260° / 8 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft, FEW 20,000 ft
Temp / Dew
14°C / 8°C
Altimeter
29.80 inHg

Obs: 2026-05-30T06:53:00.000Z

Raw METAR / TAF 
METAR KDEN 300653Z 26008KT 10SM FEW100 FEW200 14/08 A2980 RMK AO2 SLP015 T01390078 402830128

TAF KDEN 300538Z 3006/3112 VRB06KT P6SM FEW100 SCT200 FM300900 25006KT P6SM FEW100 SCT200 FM301400 28009KT P6SM SCT180 FM302100 33010KT P6SM VCSH SCT100 PROB30 3021/3101 VRB15G25KT -SHRA FM310300 27013KT P6SM FEW080 SCT100 FM310700 23011KT P6SM FEW100 SCT200

flight Live Traffic

flight_takeoff 157 Departures
flight_land 137 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A5D570 SFO → DEN May 29, 15:30 UTCMay 29, 16:00 UTC30m - -
2026-05-29 A12B2D SFO → DEN May 29, 12:10 UTCMay 29, 13:30 UTC1h 20m - -
2026-05-28 A57B4D SFO → DEN May 28, 15:25 UTCMay 28, 15:55 UTC30m - -
2026-05-28 A448D6 SFO → DEN May 28, 12:10 UTCMay 28, 13:20 UTC1h 10m - -
2026-05-27 A12B07 SFO → DEN May 27, 12:25 UTCMay 27, 14:20 UTC1h 55m - -
2026-05-26 A55EF3 SFO → DEN May 26, 15:35 UTCMay 26, 16:10 UTC35m - -
2026-05-26 A4493F SFO → DEN May 26, 12:20 UTCMay 26, 13:40 UTC1h 20m - -
2026-05-25 A55785 SFO → DEN May 25, 15:30 UTCMay 25, 16:00 UTC30m - -
2026-05-25 A55785 SFO → DEN May 25, 15:34 UTCMay 25, 16:11 UTC37m +24m +20m
2026-05-25 A12F2A SFO → DEN May 25, 12:25 UTCMay 25, 13:45 UTC1h 20m - -
2026-05-24 A62F93 SFO → DEN May 24, 16:05 UTCMay 24, 16:30 UTC25m - -
2026-05-24 A12AE5 SFO → DEN May 24, 12:35 UTCMay 24, 13:50 UTC1h 15m - -
2026-05-23 A620B7 SFO → DEN May 23, 15:45 UTCMay 23, 16:10 UTC25m - -
2026-05-23 A620B7 SFO → DEN May 23, 15:34 UTCMay 23, 16:08 UTC34m +24m +10m
2026-05-23 A12AA4 SFO → DEN May 23, 12:35 UTCMay 23, 14:20 UTC1h 45m - -
2026-05-22 A5B1A8 SFO → DEN May 22, 15:40 UTCMay 22, 16:10 UTC30m - -
2026-05-22 A12AA0 SFO → DEN May 22, 12:05 UTCMay 22, 13:20 UTC1h 15m - -
2026-05-21 A070D7 SFO → DEN May 21, 12:15 UTCMay 21, 13:30 UTC1h 15m - -
2026-05-20 A62F93 SFO → DEN May 20, 15:25 UTCMay 20, 15:55 UTC30m - -
2026-05-20 A05DDC SFO → DEN May 20, 11:40 UTCMay 20, 13:05 UTC1h 25m - -
2026-05-19 AC121A SFO → DEN May 19, 15:25 UTCMay 19, 15:55 UTC30m - -
2026-05-19 A24CE0 SFO → DEN May 19, 11:25 UTCMay 19, 12:45 UTC1h 20m - -
2026-05-19 A24CE0 SFO → DEN May 19, 11:32 UTCMay 19, 12:45 UTC1h 13m +17m +3m
2026-05-18 AAF27C SFO → DEN May 18, 15:25 UTCMay 18, 15:50 UTC25m - -
2026-05-18 A10E46 SFO → DEN May 18, 11:20 UTCMay 18, 12:45 UTC1h 25m - -
2026-05-17 AAFDA1 SFO → DEN May 17, 15:35 UTCMay 17, 16:05 UTC30m - -
2026-05-17 A224FA SFO → DEN May 17, 11:20 UTCMay 17, 12:40 UTC1h 20m - -
2026-05-16 A2C338 SFO → DEN May 16, 11:25 UTCMay 16, 12:35 UTC1h 10m - -
2026-05-15 AB7067 SFO → DEN May 15, 15:35 UTCMay 15, 16:00 UTC25m - -
2026-05-15 A0E6C6 SFO → DEN May 15, 11:20 UTCMay 15, 12:40 UTC1h 20m - -

Performance history

Flights tracked
105 showing last 30
Avg arrival delay
+11m
On-time arrival
67% 67% on time
Aircraft used
26

Monthly activity 2 months

Month Flights tracked
May 2026 61
April 2026 44

UAL1823 frequently asked

Where does flight UAL1823 fly?
UAL1823 (United Airlines) flies from SFO to DEN. View the full route page.
How long is flight UAL1823?
Based on observed flights, UAL1823 takes on average 57m from takeoff to landing.
How often does UAL1823 fly?
UAL1823 has been observed flying several times a week in our tracking data. We've recorded 105 flights under this callsign.
Is flight UAL1823 usually on time?
Across recent flights, UAL1823 arrives with an average 11-minute delay. 67% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1823?
UAL1823 has been operated by 26 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1823 live?
Yes. When UAL1823 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.