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
09:13 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
240° / 11 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft, SCT 15,000 ft, SCT 22,000 ft
Temp / Dew
25°C / 9°C
Altimeter
30.19 inHg

Obs: 2026-08-28T14:53:00.000Z

Raw METAR / TAF 
METAR KDEN 281453Z 24011KT 10SM FEW100 SCT150 SCT220 25/09 A3019 RMK AO2 SLP138 T02500089 50008

TAF KDEN 281502Z 2815/2918 24010KT P6SM FEW100 SCT150 SCT220 FM281600 VRB06KT P6SM FEW120 FM282100 02008KT P6SM FEW100 SCT120 TEMPO 2821/2824 VRB15G35KT -SHRA BKN080 FM290000 34009KT P6SM FEW100 SCT120 PROB30 2900/2902 VRB15G35KT -SHRA BKN080 FM290200 VRB06KT P6SM SCT120 BKN220 FM290500 22009KT P6SM FEW120 SCT220 FM291600 28007KT P6SM FEW110 SCT200

flight Live Traffic

flight_takeoff 289 Departures
flight_land 338 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
08:13 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 9 kt
Visibility
10 SM
Ceiling
FEW 400 ft, BKN 12,000 ft, OVC 20,000 ft
Temp / Dew
16°C / 13°C
Altimeter
30.00 inHg
Wx
-RA

Obs: 2026-08-28T14:56:00.000Z

Raw METAR / TAF 
METAR KSFO 281456Z 29009KT 10SM -RA FEW004 BKN120 OVC200 16/13 A3000 RMK AO2 RAB52 SLP157 P0000 60000 T01610133 53024

TAF KSFO 281447Z 2815/2918 28009KT P6SM VCSH OVC150 FM282000 28016KT P6SM OVC100 FM291000 27011KT P6SM SCT010

flight Live Traffic

flight_takeoff 108 Departures
flight_land 220 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-25 A12F52 DEN → SFO Jul 25, 00:35 UTCJul 25, 01:30 UTC55m - -
2026-07-24 A05E02 DEN → SFO Jul 24, 05:25 UTCJul 24, 07:05 UTC1h 40m - -
2026-07-24 A12F09 DEN → SFO Jul 24, 00:45 UTCJul 24, 01:35 UTC50m - -
2026-07-23 A41632 DEN → SFO Jul 23, 04:53 UTCJul 23, 06:29 UTC1h 36m +32m -14m
2026-07-23 A41632 DEN → SFO Jul 23, 05:00 UTCJul 23, 06:30 UTC1h 30m - -
2026-07-23 A12AE5 DEN → SFO Jul 23, 01:05 UTCJul 23, 02:00 UTC55m - -
2026-07-22 A1235B DEN → SFO Jul 22, 04:46 UTCJul 22, 06:15 UTC1h 29m +25m -3m
2026-07-22 A1235B DEN → SFO Jul 22, 04:45 UTCJul 22, 05:25 UTC40m - -
2026-07-22 A2B7F5 DEN → SFO Jul 22, 00:30 UTCJul 22, 01:20 UTC50m - -
2026-07-21 A12AC1 DEN → SFO Jul 21, 05:40 UTCJul 21, 07:15 UTC1h 35m - -
2026-07-21 AA7F09 DEN → SFO Jul 21, 00:40 UTCJul 21, 01:35 UTC55m - -
2026-07-21 AA7F09 DEN → SFO Jul 21, 00:31 UTCJul 21, 01:30 UTC59m +26m +7m
2026-07-20 A0ACDD DEN → SFO Jul 20, 04:40 UTCJul 20, 06:20 UTC1h 40m - -
2026-07-20 A12AE9 DEN → SFO Jul 20, 00:30 UTCJul 20, 01:20 UTC50m - -
2026-07-20 A12AE9 DEN → SFO Jul 20, 00:26 UTCJul 20, 01:17 UTC51m +16m -2m
2026-07-18 A448F8 - Jul 18, 00:39 UTCJul 18, 01:34 UTC55m - -
2026-07-18 A448F8 LAX → SFO Jul 18, 00:26 UTCJul 18, 01:29 UTC1h 3m +16m +15m
2026-07-17 A14B1A - Jul 17, 05:35 UTCJul 17, 07:05 UTC1h 30m - -
2026-07-17 A2BB83 - Jul 17, 00:50 UTCJul 17, 01:39 UTC50m - -
2026-07-16 A1239D - Jul 16, 07:05 UTCJul 16, 08:40 UTC1h 35m - -
2026-07-16 A448F6 - Jul 16, 00:30 UTCJul 16, 01:25 UTC55m - -
2026-07-15 A085A4 SFO → PHX Jul 15, 05:05 UTCJul 15, 06:35 UTC1h 30m - -
2026-07-15 A12AE4 - Jul 15, 00:25 UTCJul 15, 01:15 UTC50m - -
2026-07-14 A43E5B SFO → PHX Jul 14, 05:35 UTCJul 14, 07:20 UTC1h 45m - -
2026-07-14 A75FDF - Jul 14, 00:35 UTCJul 14, 01:25 UTC50m - -
2026-07-13 A43EC3 - Jul 13, 05:25 UTCJul 13, 06:55 UTC1h 30m - -
2026-07-13 A12F08 LAX → SFO Jul 13, 00:30 UTCJul 13, 01:20 UTC50m - -
2026-07-11 A44540 - Jul 11, 00:35 UTCJul 11, 01:30 UTC55m - -
2026-07-10 A3EEB0 - Jul 10, 04:45 UTCJul 10, 06:20 UTC1h 35m - -
2026-07-10 A12A82 - Jul 10, 00:25 UTCJul 10, 01:25 UTC1h 0m - -

Performance history

Flights tracked
142 showing last 30
Avg arrival delay
+1m
On-time arrival
100% 100% on time
Aircraft used
25

Monthly activity 4 months

Month Flights tracked
July 2026 47
June 2026 39
May 2026 34
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 1h 10m from takeoff to landing.
How often does UAL233 fly?
UAL233 has been observed flying several times a week in our tracking data. We've recorded 142 flights under this callsign.
Is flight UAL233 usually on time?
Across recent flights, UAL233 arrives with an average 1-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL233?
UAL233 has been operated by 25 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.