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
02:19 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
280° / 5 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
14°C / 8°C
Altimeter
30.11 inHg

Obs: 2026-10-15T08:56:00.000Z

Raw METAR / TAF 
METAR KSFO 150856Z 28005KT 10SM CLR 14/08 A3011 RMK AO2 SLP196 T01390078 55004 $

TAF KSFO 150520Z 1506/1612 27005KT P6SM SKC FM151500 06005KT P6SM SKC FM152100 31010KT P6SM SKC FM160600 30005KT P6SM SKC

flight Live Traffic

flight_takeoff 133 Departures
flight_land 74 Arrivals

Arrival

EWR KEWR VFR

Newark Liberty International Airport

Newark, US

Local time
05:19 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
18 ft
Coordinates
40.6894, -74.1705

cloud Weather

Wind
360° / 10 kt
Visibility
10 SM
Ceiling
FEW 18,000 ft, SCT 25,000 ft
Temp / Dew
15°C / 8°C
Altimeter
30.11 inHg

Obs: 2026-10-15T08:51:00.000Z

Raw METAR / TAF 
METAR KEWR 150851Z 36010KT 10SM FEW180 SCT250 15/08 A3011 RMK AO2 SLP194 T01500083 53019

TAF KEWR 150832Z 1509/1612 35009KT P6SM FEW250 FM151600 01006KT P6SM FEW050 SCT250 FM151800 04004KT P6SM FEW050 SCT250 FM152000 14007KT P6SM FEW050 FEW250 FM160100 13005KT P6SM BKN060 FM160400 14006KT P6SM BKN030 FM160700 14007KT P6SM -SHRA OVC015 FM160900 16007KT 5SM -SHRA OVC009

flight Live Traffic

flight_takeoff 70 Departures
flight_land 136 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.