Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL28

Operated by United Airlines

Live map

Live map filtered to UAL28. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SIN WSSS VFR

Singapore Changi Airport

Singapore, SG

Local time
15:07 GMT+8
Timezone
Asia/Singapore
Type
Large Airport
Elevation
22 ft
Coordinates
1.3502, 103.9940

cloud Weather

Wind
180° / 8 kt
Visibility
6 SM
Ceiling
FEW 2,000 ft, BKN 28,000 ft
Temp / Dew
31°C / 24°C
Altimeter
29.76 inHg

Obs: 2026-04-15T07:00:00.000Z

Raw METAR / TAF 
METAR WSSS 150700Z 18008KT 150V210 9999 FEW020 BKN280 31/24 Q1008 NOSIG

TAF WSSS 150500Z 1506/1612 18008KT 9999 FEW015 SCT020

flight Live Traffic

flight_takeoff 3 Departures
flight_land 7 Arrivals

Arrival

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
00:07 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 11 kt
Visibility
10 SM
Ceiling
BKN 2,200 ft
Temp / Dew
12°C / 7°C
Altimeter
30.13 inHg

Obs: 2026-04-15T06:56:00.000Z

Raw METAR / TAF 
METAR KSFO 150656Z 27011KT 10SM BKN022 12/07 A3013 RMK AO2 SLP203 T01220072 $

TAF KSFO 150520Z 1506/1612 28012KT P6SM FEW030 FM151400 28014KT P6SM BKN050 FM151900 27018KT P6SM BKN150 FM160400 27015KT P6SM BKN030

flight Live Traffic

flight_takeoff 168 Departures
flight_land 153 Arrivals

Recent history last 3

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-13 A31A57 SIN → SFO Apr 13, 16:35 UTCApr 13, 19:50 UTC3h 15m - -
2026-04-13 A47FD9 SIN → SFO Apr 13, 02:35 UTCApr 13, 03:20 UTC45m - -
2026-04-12 A47FD9 SIN → SFO Apr 12, 17:15 UTCApr 12, 19:00 UTC1h 45m - -

Performance history

Flights tracked
3
Avg arrival delay
-
On-time arrival
-
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 3

UAL28 frequently asked

Where does flight UAL28 fly?
UAL28 (United Airlines) flies from SIN to SFO. View the full route page.
How long is flight UAL28?
Based on observed flights, UAL28 takes on average 1h 55m from takeoff to landing.
How often does UAL28 fly?
UAL28 has been observed flying occasionally in our tracking data. We've recorded 3 flights under this callsign.
What aircraft operates flight UAL28?
UAL28 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL28 live?
Yes. When UAL28 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.