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 VFR

San Francisco International Airport

San Francisco, US

Local time
02:35 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 14 kt
Visibility
10 SM
Ceiling
FEW 400 ft, BKN 20,000 ft
Temp / Dew
15°C / 13°C
Altimeter
29.94 inHg

Obs: 2026-08-28T08:56:00.000Z

Raw METAR / TAF 
METAR KSFO 280856Z 29014KT 10SM FEW004 BKN200 15/13 A2994 RMK AO2 SLP139 T01500128 58002 $

TAF KSFO 280830Z 2809/2912 30013KT P6SM FEW004 BKN200 FM282000 29014KT P6SM VCSH BKN050 OVC100 FM290300 29010KT P6SM SCT010 BKN120 FM291000 29007KT P6SM BKN010

flight Live Traffic

flight_takeoff 80 Departures
flight_land 44 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
03:35 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
180° / 11 kt
Visibility
10 SM
Ceiling
FEW 15,000 ft, SCT 22,000 ft
Temp / Dew
18°C / 9°C
Altimeter
30.17 inHg

Obs: 2026-08-28T08:53:00.000Z

Raw METAR / TAF 
METAR KDEN 280853Z 18011KT 10SM FEW150 SCT220 18/09 A3017 RMK AO2 SLP127 T01830094 56004

TAF KDEN 280855Z 2809/2912 18011KT P6SM FEW100 FEW150 FM281100 23011KT P6SM FEW120 FM281600 VRB06KT P6SM FEW120 FM282100 02008KT P6SM FEW100 SCT120 PROB30 2821/2902 VRB15G25KT -SHRA BKN080 FM290200 VRB06KT P6SM SCT120 BKN220 FM290500 22009KT P6SM FEW120 SCT220

flight Live Traffic

flight_takeoff 75 Departures
flight_land 77 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A562AA SFO → DEN Jul 26, 15:35 UTCJul 26, 16:05 UTC30m - -
2026-07-26 A562AA SFO → DEN Jul 26, 15:39 UTCJul 26, 16:17 UTC38m +24m +20m
2026-07-26 A12B2F SFO → DEN Jul 26, 12:10 UTCJul 26, 13:25 UTC1h 15m - -
2026-07-25 AC4ACE SFO → DEN Jul 25, 16:30 UTCJul 25, 16:55 UTC25m - -
2026-07-25 A12AC3 SFO → DEN Jul 25, 12:10 UTCJul 25, 13:20 UTC1h 10m - -
2026-07-24 A58672 SFO → DEN Jul 24, 15:50 UTCJul 24, 16:20 UTC30m - -
2026-07-24 A12AC9 SFO → DEN Jul 24, 12:25 UTCJul 24, 13:35 UTC1h 10m - -
2026-07-24 A12AC9 SFO → DEN Jul 24, 12:17 UTCJul 24, 13:38 UTC1h 21m +17m -2m
2026-07-23 A5A2CC SFO → DEN Jul 23, 16:15 UTCJul 23, 16:40 UTC25m - -
2026-07-23 A8F0BD SFO → DEN Jul 23, 12:10 UTCJul 23, 13:30 UTC1h 20m - -
2026-07-22 A54299 SFO → DEN Jul 22, 15:30 UTCJul 22, 15:55 UTC25m - -
2026-07-22 A54299 SFO → DEN Jul 22, 15:39 UTCJul 22, 15:52 UTC13m +24m on time
2026-07-22 A12AA4 SFO → DEN Jul 22, 12:05 UTCJul 22, 13:15 UTC1h 10m - -
2026-07-21 A53B2B SFO → DEN Jul 21, 15:30 UTCJul 21, 15:55 UTC25m - -
2026-07-21 A12AE9 SFO → DEN Jul 21, 12:05 UTCJul 21, 13:15 UTC1h 10m - -
2026-07-20 A55017 SFO → DEN Jul 20, 15:30 UTCJul 20, 16:00 UTC30m - -
2026-07-20 A12A7C SFO → DEN Jul 20, 12:30 UTCJul 20, 13:40 UTC1h 10m - -
2026-07-19 A5F1CA SFO → DEN Jul 19, 15:30 UTCJul 19, 15:55 UTC25m - -
2026-07-19 A5D713 SFO → DEN Jul 19, 12:20 UTCJul 19, 13:35 UTC1h 15m - -
2026-07-18 A12A80 SFO → DEN Jul 18, 14:15 UTCJul 18, 15:25 UTC1h 10m - -
2026-07-17 A52C4F SFO → DEN Jul 17, 15:25 UTCJul 17, 16:00 UTC35m - -
2026-07-17 A52C4F SFO → DEN Jul 17, 15:39 UTCJul 17, 15:54 UTC15m +24m +15m
2026-07-17 AA2BC5 SFO → DEN Jul 17, 12:10 UTCJul 17, 13:25 UTC1h 15m - -
2026-07-16 A62F93 - Jul 16, 15:45 UTCJul 16, 16:09 UTC25m - -
2026-07-16 A62F93 IAH → AUS Jul 16, 15:39 UTCJul 16, 16:25 UTC46m +24m +31m
2026-07-16 A12A80 - Jul 16, 12:09 UTCJul 16, 13:15 UTC1h 5m - -
2026-07-15 A5D570 IAH → AUS Jul 15, 15:50 UTCJul 15, 17:00 UTC1h 10m - -
2026-07-15 A5D570 IAH → AUS Jul 15, 15:39 UTCJul 15, 16:56 UTC1h 17m +24m +54m
2026-07-15 A12B2E - Jul 15, 12:15 UTCJul 15, 13:35 UTC1h 20m - -
2026-07-14 A2BBF2 - Jul 14, 14:50 UTCJul 14, 16:00 UTC1h 10m - -

Performance history

Flights tracked
235 showing last 30
Avg arrival delay
+20m
On-time arrival
50% 50% on time
Aircraft used
23

Monthly activity 4 months

Month Flights tracked
July 2026 60
June 2026 65
May 2026 66
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 52m 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 235 flights under this callsign.
Is flight UAL1823 usually on time?
Across recent flights, UAL1823 arrives with an average 20-minute delay. 50% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1823?
UAL1823 has been operated by 23 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.