Apparatus

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flight_takeoff Flight

UAL1251

Operated by United Airlines

Live map

Live map filtered to UAL1251. Shown when the flight is currently airborne.

Route airports View route page →

Departure

PHX KPHX VFR

Phoenix Sky Harbor International Airport

Phoenix, US

Local time
19:05 MST
Timezone
America/Phoenix
Type
Large Airport
Elevation
1,135 ft
Coordinates
33.4353, -112.0059

cloud Weather

Wind
290° / 12 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft, FEW 18,000 ft, SCT 25,000 ft
Temp / Dew
42°C / 14°C
Altimeter
29.75 inHg

Obs: 2026-08-29T01:51:00.000Z

Raw METAR / TAF 
METAR KPHX 290151Z 29012KT 10SM FEW100 FEW180 SCT250 42/14 A2975 RMK AO2 SLP051 CB DSNT NE-SE AND S T04220144

TAF KPHX 282337Z 2900/3006 28008KT P6SM FEW120 FEW150 BKN250 TEMPO 2904/2906 18013G20KT 6SM HZ FM290700 13008KT P6SM SCT100 SCT150 SCT200 FM290900 12007KT P6SM VCSH SCT100 SCT150 BKN200 FM291400 13008KT P6SM FEW150 SCT200 FM291900 26007KT P6SM FEW150 SCT250 PROB30 2922/3004 16015G28KT 5SM TS HZ SCT100CB

flight Live Traffic

flight_takeoff 150 Departures
flight_land 157 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
19:05 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 17 kt
Visibility
10 SM
Ceiling
FEW 500 ft, FEW 15,000 ft, SCT 20,000 ft
Temp / Dew
17°C / 13°C
Altimeter
29.97 inHg

Obs: 2026-08-29T01:56:00.000Z

Raw METAR / TAF 
METAR KSFO 290156Z 29017KT 10SM FEW005 FEW150 SCT200 17/13 A2997 RMK AO2 SLP148 T01670128 $

TAF KSFO 282335Z 2900/3006 28016KT P6SM VCSH FEW012 BKN150 FM290300 28014KT P6SM FEW012 TEMPO 2904/2908 BKN012 FM290800 29008KT P6SM OVC012 FM291800 29015G25KT P6SM FEW015 FM300400 27015KT P6SM SCT010

flight Live Traffic

flight_takeoff 196 Departures
flight_land 187 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A2BC9E PHX → SFO Jul 26, 12:55 UTCJul 26, 13:55 UTC1h 0m - -
2026-07-26 A2BC9E PHX → SFO Jul 26, 09:10 UTCJul 26, 09:20 UTC10m - -
2026-07-25 A5D319 PHX → SFO Jul 25, 14:00 UTCJul 25, 14:35 UTC35m - -
2026-07-25 A5D319 PHX → SFO Jul 25, 09:40 UTCJul 25, 10:00 UTC20m - -
2026-07-24 A12A82 PHX → SFO Jul 24, 09:15 UTCJul 24, 14:00 UTC4h 45m - -
2026-07-23 A5D2D4 PHX → SFO Jul 23, 13:10 UTCJul 23, 13:50 UTC40m - -
2026-07-23 A5D2D4 PHX → SFO Jul 23, 09:10 UTCJul 23, 09:25 UTC15m - -
2026-07-22 A12AC0 PHX → SFO Jul 22, 02:20 UTCJul 22, 14:00 UTC11h 40m - -
2026-07-21 A44962 PHX → SFO Jul 21, 13:20 UTCJul 21, 13:55 UTC35m - -
2026-07-21 A44962 PHX → SFO Jul 21, 09:05 UTCJul 21, 09:25 UTC20m - -
2026-07-20 AA7F4E - Jul 20, 09:45 UTCJul 20, 10:00 UTC15m - -
2026-07-20 AA7F4E PHX → SFO Jul 20, 09:29 UTCJul 20, 14:35 UTC5h 6m +36m -8m
2026-07-19 A5D68A - Jul 19, 12:55 UTCJul 19, 14:00 UTC1h 5m - -
2026-07-18 AA7F23 - Jul 18, 09:00 UTCJul 18, 14:00 UTC5h 0m - -
2026-07-17 A12B07 - Jul 17, 13:15 UTCJul 17, 14:04 UTC50m - -
2026-07-17 A12B07 - Jul 17, 09:04 UTCJul 17, 09:25 UTC20m - -
2026-07-17 A12B07 HNL → LAX Jul 17, 09:09 UTCJul 17, 13:58 UTC4h 49m +16m -1m
2026-07-16 AA7F02 - Jul 16, 09:05 UTCJul 16, 14:00 UTC4h 55m - -
2026-07-15 A2BB89 - Jul 15, 09:20 UTCJul 15, 14:10 UTC4h 50m - -
2026-07-15 A2BB89 HNL → LAX Jul 15, 09:09 UTCJul 15, 14:03 UTC4h 54m +16m -9m
2026-07-14 A5D2D4 - Jul 14, 09:10 UTCJul 14, 09:25 UTC15m - -
2026-07-14 A5D2D4 HNL → LAX Jul 14, 09:09 UTCJul 14, 13:55 UTC4h 46m +16m -10m
2026-07-13 A123BF - Jul 13, 10:05 UTCJul 13, 15:10 UTC5h 5m - -
2026-07-12 A445AD - Jul 12, 09:15 UTCJul 12, 14:20 UTC5h 5m - -
2026-07-11 A449A4 - Jul 11, 13:20 UTCJul 11, 14:05 UTC45m - -
2026-07-11 A449A4 - Jul 11, 09:05 UTCJul 11, 09:25 UTC20m - -
2026-07-10 A2B7F5 - Jul 10, 13:35 UTCJul 10, 14:20 UTC45m - -
2026-07-10 A2B7F5 - Jul 10, 09:30 UTCJul 10, 09:50 UTC20m - -
2026-07-09 A12AE5 - Jul 9, 09:25 UTCJul 9, 14:10 UTC4h 45m - -
2026-07-08 AA7F46 - Jul 8, 09:10 UTCJul 8, 14:05 UTC4h 55m - -

Performance history

Flights tracked
189 showing last 30
Avg arrival delay
-7m
On-time arrival
100% 100% on time
Aircraft used
18

Monthly activity 4 months

Month Flights tracked
July 2026 44
June 2026 55
May 2026 61
April 2026 29

UAL1251 frequently asked

Where does flight UAL1251 fly?
UAL1251 (United Airlines) flies from PHX to SFO. View the full route page.
How long is flight UAL1251?
Based on observed flights, UAL1251 takes on average 2h 39m from takeoff to landing.
How often does UAL1251 fly?
UAL1251 has been observed flying several times a week in our tracking data. We've recorded 189 flights under this callsign.
Is flight UAL1251 usually on time?
Across recent flights, UAL1251 arrives 7 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1251?
UAL1251 has been operated by 18 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1251 live?
Yes. When UAL1251 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.