Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1666

Operated by United Airlines

Live map

Live map filtered to UAL1666. 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
00:03 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
FEW 1,000 ft
Temp / Dew
16°C / 11°C
Altimeter
29.94 inHg

Obs: 2026-08-30T06:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300656Z 27011KT 10SM FEW010 16/11 A2994 RMK AO2 SLP140 T01560111 $

TAF KSFO 300520Z 3006/3112 28016G25KT P6SM SKC FM300700 28010KT P6SM FEW009 TEMPO 3011/3015 BKN009 FM301900 27015G25KT P6SM FEW012 FM310400 27010KT P6SM FEW010 FM311000 27008KT P6SM BKN010

flight Live Traffic

flight_takeoff 100 Departures
flight_land 57 Arrivals

Arrival

EWR KEWR VFR

Newark Liberty International Airport

Newark, US

Local time
03:03 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
18 ft
Coordinates
40.6894, -74.1705

cloud Weather

Wind
210° / 4 kt
Visibility
10 SM
Ceiling
FEW 15,000 ft, SCT 25,000 ft
Temp / Dew
18°C / 15°C
Altimeter
30.21 inHg

Obs: 2026-08-30T06:51:00.000Z

Raw METAR / TAF 
METAR KEWR 300651Z 21004KT 10SM FEW150 SCT250 18/15 A3021 RMK AO2 SLP228 T01780150 $

TAF KEWR 300539Z 3006/3112 23006KT P6SM FEW150 SCT250 FM301400 23009KT P6SM SCT070 SCT150 BKN250 FM301800 24011G19KT P6SM VCSH SCT070 BKN150 FM302100 25010KT 6SM -SHRA BR SCT045 BKN150 PROB30 3022/3102 3SM TSRA BKN025CB FM310400 31006KT P6SM VCSH SCT035 BKN100 FM310700 36006KT P6SM BKN030 BKN100

flight Live Traffic

flight_takeoff 37 Departures
flight_land 54 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A94B50 SFO → EWR Jul 26, 12:10 UTCJul 26, 14:35 UTC2h 25m - -
2026-07-25 A53774 CVG → DEN Jul 25, 12:20 UTCJul 25, 14:50 UTC2h 30m - -
2026-07-25 A53774 CVG → DEN Jul 25, 12:20 UTCJul 25, 14:45 UTC2h 25m +20m -11m
2026-07-24 A923EE - Jul 24, 12:25 UTCJul 24, 14:50 UTC2h 25m - -
2026-07-23 A8856D - Jul 23, 12:10 UTCJul 23, 14:45 UTC2h 35m - -
2026-07-22 AA2BA4 - Jul 22, 12:10 UTCJul 22, 14:35 UTC2h 25m - -
2026-07-22 AA2BA4 CVG → DEN Jul 22, 12:20 UTCJul 22, 14:34 UTC2h 14m +20m +2m
2026-07-21 A91535 - Jul 21, 12:10 UTCJul 21, 14:35 UTC2h 25m - -
2026-07-20 A41E90 CVG → DEN Jul 20, 12:25 UTCJul 20, 14:45 UTC2h 20m - -
2026-07-19 A94B4D - Jul 19, 12:10 UTCJul 19, 14:30 UTC2h 20m - -
2026-07-18 A553CE - Jul 18, 13:45 UTCJul 18, 16:05 UTC2h 20m - -
2026-07-17 A83782 - Jul 17, 12:10 UTCJul 17, 14:30 UTC2h 20m - -
2026-07-16 AA2BA5 - Jul 16, 12:14 UTCJul 16, 14:29 UTC2h 15m - -
2026-07-15 A837A7 - Jul 15, 12:15 UTCJul 15, 14:30 UTC2h 15m - -
2026-07-14 A92362 - Jul 14, 12:10 UTCJul 14, 14:20 UTC2h 10m - -
2026-07-13 A83782 - Jul 13, 12:05 UTCJul 13, 14:20 UTC2h 15m - -
2026-07-12 A445EC - Jul 12, 12:05 UTCJul 12, 14:20 UTC2h 15m - -
2026-07-11 A5DCDE - Jul 11, 12:30 UTCJul 11, 15:05 UTC2h 35m - -
2026-07-10 A8AD4E - Jul 10, 14:15 UTCJul 10, 16:30 UTC2h 15m - -
2026-07-09 A923CF - Jul 9, 12:15 UTCJul 9, 14:40 UTC2h 25m - -
2026-07-08 A83787 - Jul 8, 12:10 UTCJul 8, 14:30 UTC2h 20m - -
2026-07-07 A46D47 - Jul 7, 12:25 UTCJul 7, 14:45 UTC2h 20m - -
2026-07-06 A837A5 - Jul 6, 12:20 UTCJul 6, 14:45 UTC2h 25m - -
2026-07-05 AA7ABD - Jul 5, 12:40 UTCJul 5, 15:00 UTC2h 20m - -
2026-07-04 A61D00 - Jul 4, 12:20 UTCJul 4, 15:00 UTC2h 40m - -
2026-07-04 A61D00 CVG → DEN Jul 4, 12:35 UTCJul 4, 14:58 UTC2h 23m +35m -6m
2026-07-03 A8D489 - Jul 3, 12:10 UTCJul 3, 14:35 UTC2h 25m - -
2026-07-02 A4455E - Jul 2, 12:15 UTCJul 2, 14:35 UTC2h 20m - -
2026-07-01 A46D95 - Jul 1, 12:20 UTCJul 1, 14:45 UTC2h 25m - -
2026-06-30 A494E9 - Jun 30, 12:10 UTCJun 30, 14:35 UTC2h 25m - -

Performance history

Flights tracked
125 showing last 30
Avg arrival delay
-5m
On-time arrival
100% 100% on time
Aircraft used
26

Monthly activity 4 months

Month Flights tracked
July 2026 29
June 2026 33
May 2026 38
April 2026 25

UAL1666 frequently asked

Where does flight UAL1666 fly?
UAL1666 (United Airlines) flies from SFO to EWR. View the full route page.
How long is flight UAL1666?
Based on observed flights, UAL1666 takes on average 2h 22m from takeoff to landing.
How often does UAL1666 fly?
UAL1666 has been observed flying daily in our tracking data. We've recorded 125 flights under this callsign.
Is flight UAL1666 usually on time?
Across recent flights, UAL1666 arrives 5 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1666?
UAL1666 has been operated by 26 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1666 live?
Yes. When UAL1666 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.