Apparatus

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flight_takeoff Flight

UAL1

Operated by United Airlines

Live map

Live map filtered to UAL1. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
17:22 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
250° / 10 kt
Visibility
10 SM
Ceiling
FEW 2,800 ft
Temp / Dew
19°C / 8°C
Altimeter
29.90 inHg

Obs: 2026-10-12T23:56:00.000Z

Raw METAR / TAF 
METAR KSFO 122356Z 25010KT 10SM FEW028 19/08 A2990 RMK AO2 SLP125 T01940078 10206 20161 55001 $

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 245 Departures
flight_land 244 Arrivals

Arrival

SIN WSSS IFR

Singapore Changi Airport

Singapore, SG

Local time
08:22 GMT+8
Timezone
Asia/Singapore
Type
Large Airport
Elevation
22 ft
Coordinates
1.3502, 103.9940

cloud Weather

Wind
VRB / 2 kt
Visibility
1.24 SM
Ceiling
FEW 1,800 ft, SCT 17,000 ft
Temp / Dew
28°C / 25°C
Altimeter
29.88 inHg
Wx
HZ

Obs: 2026-10-13T00:00:00.000Z

Raw METAR / TAF 
METAR WSSS 130000Z VRB02KT 2000 HZ FEW018 SCT170 28/25 Q1012 NOSIG

TAF WSSS 122300Z 1300/1406 14007KT 4000 HZ FEW015 SCT020

flight Live Traffic

flight_takeoff 2 Departures
flight_land 2 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A7F4EC SFO → SIN Jul 26, 22:10 UTCJul 26, 22:25 UTC15m - -
2026-07-26 A7F4EC SFO → SIN Jul 26, 07:00 UTCJul 26, 20:55 UTC13h 55m - -
2026-07-25 AB0F8B SFO → SIN Jul 25, 21:55 UTCJul 25, 22:05 UTC10m - -
2026-07-25 AB0F8B SFO → SIN Jul 25, 06:21 UTCJul 25, 22:01 UTC15h 40m +31m -18m
2026-07-25 AB0F8B SFO → SIN Jul 25, 06:35 UTCJul 25, 20:45 UTC14h 10m - -
2026-07-24 A7F4E7 SFO → SIN Jul 24, 06:50 UTCJul 24, 20:45 UTC13h 55m - -
2026-07-23 A6679B SFO → SIN Jul 23, 21:45 UTCJul 23, 22:05 UTC20m - -
2026-07-23 A6679B SFO → SIN Jul 23, 06:35 UTCJul 23, 19:20 UTC12h 45m - -
2026-07-22 AB0F89 SFO → SIN Jul 22, 18:35 UTCJul 22, 23:05 UTC4h 30m - -
2026-07-22 AB0F89 SFO → SIN Jul 22, 08:06 UTCJul 22, 23:06 UTC15h 0m +136m -6m
2026-07-21 A1BFAC SFO → SIN Jul 21, 06:35 UTCJul 21, 21:59 UTC15h 24m +45m +4m
2026-07-21 A1BFAC SFO → SIN Jul 21, 06:25 UTCJul 21, 20:55 UTC14h 30m - -
2026-07-20 A7F4EC SFO → SIN Jul 20, 06:55 UTCJul 20, 21:00 UTC14h 5m - -
2026-07-19 A6679B SFO → SIN Jul 19, 06:26 UTCJul 19, 22:00 UTC15h 34m +36m on time
2026-07-19 A6679B SFO → SIN Jul 19, 06:25 UTCJul 19, 20:35 UTC14h 10m - -
2026-07-18 A7F4E9 SFO → SIN Jul 18, 21:40 UTCJul 18, 21:55 UTC15m - -
2026-07-18 A7F4E9 SFO → SIN Jul 18, 06:40 UTCJul 18, 21:54 UTC15h 14m +50m -9m
2026-07-18 A7F4E9 SFO → SIN Jul 18, 06:40 UTCJul 18, 20:35 UTC13h 55m - -
2026-07-17 AB0F89 - Jul 17, 21:44 UTCJul 17, 22:10 UTC25m - -
2026-07-17 AB0F89 - Jul 17, 06:50 UTCJul 17, 19:15 UTC12h 25m - -
2026-07-16 AB0F8B - Jul 16, 07:00 UTCJul 16, 20:55 UTC13h 55m - -
2026-07-15 A7F4EC - Jul 15, 21:55 UTCJul 15, 22:05 UTC10m - -
2026-07-15 A7F4EC - Jul 15, 06:30 UTCJul 15, 20:40 UTC14h 10m - -
2026-07-14 A6679B - Jul 14, 21:45 UTCJul 14, 21:55 UTC10m - -
2026-07-14 A6679B - Jul 14, 06:30 UTCJul 14, 20:40 UTC14h 10m - -
2026-07-13 AB0F89 - Jul 13, 07:25 UTCJul 13, 21:40 UTC14h 15m - -
2026-07-12 A1BFAC - Jul 12, 22:05 UTCJul 12, 22:15 UTC10m - -
2026-07-12 A1BFAC - Jul 12, 06:30 UTCJul 12, 20:50 UTC14h 20m - -
2026-07-11 A7F4EC - Jul 11, 22:05 UTCJul 11, 22:15 UTC10m - -
2026-07-11 A7F4EC - Jul 11, 06:40 UTCJul 11, 18:30 UTC11h 50m - -

Performance history

Flights tracked
182 showing last 30
Avg arrival delay
-6m
On-time arrival
100% 100% on time
Aircraft used
7

Monthly activity 4 months

Month Flights tracked
July 2026 51
June 2026 40
May 2026 55
April 2026 36

UAL1 frequently asked

Where does flight UAL1 fly?
UAL1 (United Airlines) flies from SFO to SIN. View the full route page.
How long is flight UAL1?
Based on observed flights, UAL1 takes on average 9h 40m from takeoff to landing.
How often does UAL1 fly?
UAL1 has been observed flying several times a week in our tracking data. We've recorded 182 flights under this callsign.
Is flight UAL1 usually on time?
Across recent flights, UAL1 arrives 6 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1?
UAL1 has been operated by 7 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1 live?
Yes. When UAL1 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.