Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL233

Operated by United Airlines

Live map

Live map filtered to UAL233. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
23:22 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 467 Departures
flight_land 387 Arrivals

Arrival

SFO KSFO IFR

San Francisco International Airport

San Francisco, US

Local time
22:22 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 13 kt
Visibility
10 SM
Ceiling
FEW 300 ft, BKN 800 ft, OVC 1,100 ft
Temp / Dew
13°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-05-30T04:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300456Z 29013KT 10SM FEW003 BKN008 OVC011 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

warning FAA Advisories

  • Ground Delay: low ceilings (avg 1 hour and 45 minutes)

flight Live Traffic

flight_takeoff 223 Departures
flight_land 250 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-30 A4493F DEN → SFO May 30, 00:30 UTCMay 30, 01:40 UTC1h 10m - -
2026-05-29 A12AC2 DEN → SFO May 29, 03:05 UTCMay 29, 04:05 UTC1h 0m - -
2026-05-28 A448D3 DEN → SFO May 28, 00:45 UTCMay 28, 01:40 UTC55m - -
2026-05-27 A4493A DEN → SFO May 27, 00:44 UTCMay 27, 01:44 UTC1h 0m - -
2026-05-26 A12AE9 DEN → SFO May 26, 00:29 UTCMay 26, 01:24 UTC55m - -
2026-05-24 A1272D DEN → SFO May 24, 00:20 UTCMay 24, 01:15 UTC55m - -
2026-05-23 A5D668 DEN → SFO May 23, 02:15 UTCMay 23, 03:05 UTC49m - -
2026-05-22 A12AEA DEN → SFO May 22, 00:40 UTCMay 22, 01:35 UTC55m - -
2026-05-21 AA7F4E DEN → SFO May 21, 00:45 UTCMay 21, 01:40 UTC55m - -
2026-05-20 AA7F25 DEN → SFO May 20, 00:45 UTCMay 20, 01:40 UTC55m - -
2026-05-19 A2B7F5 DEN → SFO May 19, 01:35 UTCMay 19, 02:30 UTC55m - -
2026-05-19 A2B7F5 DEN → SFO May 19, 00:56 UTCMay 19, 02:28 UTC1h 32m +29m +42m
2026-05-18 A2BBCC DEN → SFO May 18, 01:15 UTCMay 18, 02:10 UTC55m - -
2026-05-17 A449CB DEN → SFO May 17, 00:45 UTCMay 17, 01:50 UTC1h 5m - -
2026-05-17 A449CB DEN → SFO May 17, 00:43 UTCMay 17, 01:46 UTC1h 3m +16m -9m
2026-05-16 A4495B DEN → SFO May 16, 00:45 UTCMay 16, 01:45 UTC1h 0m - -
2026-05-15 A12A80 DEN → SFO May 15, 01:35 UTCMay 15, 02:30 UTC55m - -
2026-05-14 A5D2F9 DEN → SFO May 14, 00:40 UTCMay 14, 01:40 UTC1h 0m - -
2026-05-14 A5D2F9 DEN → SFO May 14, 00:43 UTCMay 14, 01:38 UTC55m +16m -8m
2026-05-13 A12B0A DEN → SFO May 13, 00:35 UTCMay 13, 01:30 UTC55m - -
2026-05-11 A12F09 DEN → SFO May 11, 00:45 UTCMay 11, 01:40 UTC55m - -
2026-05-11 A12F09 DEN → SFO May 11, 00:43 UTCMay 11, 01:35 UTC52m +16m -11m
2026-05-10 AA7F48 DEN → SFO May 10, 00:34 UTCMay 10, 01:30 UTC55m - -
2026-05-09 A12F08 DEN → SFO May 9, 00:50 UTCMay 9, 01:50 UTC1h 0m - -
2026-05-08 A448F6 DEN → SFO May 8, 00:44 UTCMay 8, 01:40 UTC55m - -
2026-05-07 A44983 DEN → SFO May 7, 02:25 UTCMay 7, 03:25 UTC1h 0m - -
2026-05-06 A2BC12 DEN → SFO May 6, 00:40 UTCMay 6, 01:35 UTC55m - -
2026-05-05 AA7F24 DEN → SFO May 5, 00:55 UTCMay 5, 01:50 UTC55m - -
2026-05-04 A448FA DEN → SFO May 4, 01:55 UTCMay 4, 02:54 UTC1h 0m - -
2026-05-03 A44964 DEN → SFO May 3, 00:35 UTCMay 3, 01:25 UTC50m - -

Performance history

Flights tracked
55 showing last 30
Avg arrival delay
+4m
On-time arrival
75% 75% on time
Aircraft used
26

Monthly activity 2 months

Month Flights tracked
May 2026 33
April 2026 22

UAL233 frequently asked

Where does flight UAL233 fly?
UAL233 (United Airlines) flies from DEN to SFO. View the full route page.
How long is flight UAL233?
Based on observed flights, UAL233 takes on average 58m from takeoff to landing.
How often does UAL233 fly?
UAL233 has been observed flying daily in our tracking data. We've recorded 55 flights under this callsign.
Is flight UAL233 usually on time?
Across recent flights, UAL233 arrives with an average 4-minute delay. 75% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL233?
UAL233 has been operated by 26 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL233 live?
Yes. When UAL233 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.