Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL28D

Operated by United Airlines

Live map

Live map filtered to UAL28D. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SIN WSSS VFR

Singapore Changi Airport

Singapore, SG

Local time
17:04 GMT+8
Timezone
Asia/Singapore
Type
Large Airport
Elevation
22 ft
Coordinates
1.3502, 103.9940

cloud Weather

Wind
120° / 12 kt
Visibility
6 SM
Ceiling
FEW 1,600 ft, FEW 1,800 ft, SCT 3,000 ft
Temp / Dew
31°C / 24°C
Altimeter
29.79 inHg
Wx
-SHRA

Obs: 2026-07-14T08:30:00.000Z

Raw METAR / TAF 
METAR WSSS 140830Z 12012KT 9999 -SHRA FEW016 FEW018TCU SCT030 31/24 Q1009 NOSIG

TAF WSSS 140500Z 1406/1512 16009KT 9999 FEW015 SCT020

flight Live Traffic

flight_takeoff 0 Departures
flight_land 4 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
02:04 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 4 kt
Visibility
10 SM
Ceiling
BKN 20,000 ft
Temp / Dew
17°C / 13°C
Altimeter
29.95 inHg

Obs: 2026-07-14T08:56:00.000Z

Raw METAR / TAF 
METAR KSFO 140856Z 27004KT 10SM BKN200 17/13 A2995 RMK AO2 SLP141 T01670128 56002

TAF KSFO 140849Z 1409/1512 28007KT P6SM FEW200 FM141900 28015G25KT P6SM FEW200 FM150800 26008KT P6SM FEW010

flight Live Traffic

flight_takeoff 164 Departures
flight_land 111 Arrivals

Recent history last 14

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-05 A2CB12 SIN → SFO Jul 5, 05:00 UTCJul 5, 17:55 UTC12h 55m - -
2026-07-03 A2A38E SIN → SFO Jul 3, 03:20 UTCJul 3, 16:15 UTC12h 55m - -
2026-06-16 A2A3AF SIN → SFO Jun 16, 18:20 UTCJun 16, 18:35 UTC15m - -
2026-06-16 A2A3AF SIN → SFO Jun 16, 03:46 UTCJun 16, 18:04 UTC14h 18m +911m +49m
2026-06-14 A2A38E SIN → SFO Jun 14, 16:55 UTCJun 15, 05:25 UTC12h 29m - -
2026-06-14 A2A38E SIN → SFO Jun 14, 14:36 UTCJun 15, 05:23 UTC14h 47m +121m +1m
2026-06-08 A0EEEA SIN → SFO Jun 8, 05:20 UTCJun 8, 18:05 UTC12h 45m - -
2026-06-08 A0EEEA SIN → SFO Jun 8, 04:01 UTCJun 8, 18:01 UTC14h 0m +926m +839m
2026-06-06 A2A3B6 SIN → SFO Jun 6, 04:20 UTCJun 6, 04:55 UTC35m - -
2026-06-06 A2A3B6 SIN → SFO Jun 6, 03:01 UTCJun 6, 17:49 UTC14h 48m +866m +1444m
2026-06-06 A2A3B6 SIN → SFO Jun 6, 03:01 UTCJun 6, 18:03 UTC15h 2m +866m +1458m
2026-05-14 A31A34 SIN → SFO May 14, 23:45 UTCMay 15, 12:50 UTC13h 5m - -
2026-04-30 A2CB33 SIN → SFO Apr 30, 13:40 UTCApr 30, 14:15 UTC35m - -
2026-04-30 A2CB33 SIN → SFO Apr 30, 09:45 UTCApr 30, 10:05 UTC20m - -

Performance history

Flights tracked
14
Avg arrival delay
+758m
On-time arrival
20% 20% on time
Aircraft used
7

Monthly activity 4 months

Month Flights tracked
July 2026 2
June 2026 9
May 2026 1
April 2026 2

UAL28D frequently asked

Where does flight UAL28D fly?
UAL28D (United Airlines) flies from SIN to SFO. View the full route page.
How long is flight UAL28D?
Based on observed flights, UAL28D takes on average 9h 55m from takeoff to landing.
How often does UAL28D fly?
UAL28D has been observed flying several times a week in our tracking data. We've recorded 14 flights under this callsign.
Is flight UAL28D usually on time?
Across recent flights, UAL28D arrives with an average 758-minute delay. 20% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL28D?
UAL28D has been operated by 7 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL28D live?
Yes. When UAL28D 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.