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
19:15 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
190° / 14 kt
Visibility
10 SM
Ceiling
FEW 13,000 ft
Temp / Dew
22°C / 0°C
Altimeter
29.80 inHg

Obs: 2026-10-13T00:53:00.000Z

Raw METAR / TAF 
METAR KDEN 130053Z 19014KT 10SM FEW130 22/00 A2980 RMK AO2 PK WND 19026/0019 SLP020 T02220000

TAF KDEN 122339Z 1300/1406 20014G22KT P6SM FEW090 FEW130 FM130300 23010G20KT P6SM FEW120 FM130500 30010KT P6SM FEW020 SCT040 FM131100 01006KT P6SM BKN010 BKN030 TEMPO 1312/1315 5SM BR BKN005 FM131700 04007KT P6SM SCT020 BKN040 FM132000 07010G20KT P6SM FEW040 SCT100 FM140200 05009KT P6SM VCSH SCT050

warning FAA Advisories

  • Ground Delay: runway construction (avg 56 minutes)

flight Live Traffic

flight_takeoff 326 Departures
flight_land 333 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
18:15 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
FEW 2,600 ft
Temp / Dew
18°C / 9°C
Altimeter
29.90 inHg

Obs: 2026-10-13T00:56:00.000Z

Raw METAR / TAF 
METAR KSFO 130056Z 27010KT 10SM FEW026 18/09 A2990 RMK AO2 SLP126 T01830089 $

TAF KSFO 122320Z 1300/1406 28012KT P6SM SKC FM130300 28006KT P6SM SKC FM131400 08004KT P6SM SKC FM132000 32011KT P6SM SKC FM140400 28007KT P6SM SKC

flight Live Traffic

flight_takeoff 225 Departures
flight_land 234 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.