Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1439

Operated by United Airlines

Live map

Live map filtered to UAL1439. Shown when the flight is currently airborne.

Route airports View route page →

Departure

EWR KEWR VFR

Newark Liberty International Airport

Newark, US

Local time
03:32 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
18 ft
Coordinates
40.6894, -74.1705

cloud Weather

Wind
340° / 13G26 kt
Visibility
10 SM
Ceiling
SCT 10,000 ft
Temp / Dew
19°C / 7°C
Altimeter
29.70 inHg

Obs: 2026-05-30T06:51:00.000Z

Raw METAR / TAF 
METAR KEWR 300651Z 34013G26KT 10SM SCT100 19/07 A2970 RMK AO2 PK WND 33026/0642 SLP056 T01940072 $

TAF KEWR 300538Z 3006/3112 32017G26KT P6SM SCT060 SCT100 FM301100 34026G34KT P6SM BKN040 BKN100 FM302100 36019G29KT P6SM SCT050 SCT100 FM302300 01015G25KT P6SM FEW050 FEW100 FM310100 01011KT P6SM SKC FM310400 33006KT P6SM SKC

flight Live Traffic

flight_takeoff 40 Departures
flight_land 63 Arrivals

Arrival

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
00:32 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 10 kt
Visibility
10 SM
Ceiling
OVC 1,000 ft
Temp / Dew
13°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-05-30T06:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300656Z 27010KT 10SM OVC010 13/11 A3011 RMK AO2 SLP195 T01280106

TAF KSFO 300520Z 3006/3112 26009KT P6SM OVC008 FM301000 27006KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 235 Departures
flight_land 165 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-30 AB3A0C EWR → SFO May 30, 01:40 UTCMay 30, 04:35 UTC2h 55m - -
2026-05-29 AB48E8 EWR → SFO May 29, 21:45 UTCMay 29, 22:35 UTC50m - -
2026-05-29 AB7B8C EWR → SFO May 29, 02:55 UTCMay 29, 05:45 UTC2h 50m - -
2026-05-29 AB7B8C EWR → SFO May 29, 02:55 UTCMay 29, 05:43 UTC2h 48m +88m -16m
2026-05-28 AC15D1 EWR → SFO May 28, 21:45 UTCMay 28, 22:45 UTC1h 0m - -
2026-05-28 AB28D7 EWR → SFO May 28, 01:55 UTCMay 28, 04:45 UTC2h 50m - -
2026-05-27 AB2169 EWR → SFO May 27, 22:45 UTCMay 27, 23:25 UTC40m - -
2026-05-27 AB0ED6 EWR → SFO May 27, 01:44 UTCMay 27, 04:34 UTC2h 50m - -
2026-05-26 AB8CC1 EWR → SFO May 26, 21:55 UTCMay 26, 22:50 UTC55m - -
2026-05-26 AB8CC1 EWR → SFO May 26, 21:41 UTCMay 26, 22:48 UTC1h 7m +21m +9m
2026-05-26 AB9F54 EWR → SFO May 26, 01:24 UTCMay 26, 02:19 UTC55m - -
2026-05-23 AB97E6 EWR → SFO May 23, 23:20 UTCMay 24, 00:10 UTC50m - -
2026-05-23 AB9F54 EWR → SFO May 23, 01:40 UTCMay 23, 04:30 UTC2h 49m - -
2026-05-22 AB417A EWR → SFO May 22, 21:50 UTCMay 22, 22:40 UTC50m - -
2026-05-22 AC06F5 EWR → SFO May 22, 03:35 UTCMay 22, 06:15 UTC2h 40m - -
2026-05-21 AC234F EWR → SFO May 21, 21:45 UTCMay 21, 22:50 UTC1h 5m - -
2026-05-21 A12710 EWR → SFO May 21, 04:05 UTCMay 21, 06:40 UTC2h 35m - -
2026-05-20 AB48E8 EWR → SFO May 20, 22:25 UTCMay 20, 23:00 UTC35m - -
2026-05-20 A24CE0 EWR → SFO May 20, 02:25 UTCMay 20, 03:15 UTC50m - -
2026-05-19 A2B135 EWR → SFO May 19, 00:50 UTCMay 19, 03:55 UTC3h 5m - -
2026-05-18 A12735 EWR → SFO May 18, 22:10 UTCMay 18, 23:00 UTC50m - -
2026-05-18 A2B198 EWR → SFO May 18, 00:45 UTCMay 18, 03:35 UTC2h 50m - -
2026-05-17 A2C35A EWR → SFO May 17, 22:55 UTCMay 17, 23:45 UTC50m - -
2026-05-16 A097CE EWR → SFO May 16, 22:10 UTCMay 16, 22:55 UTC45m - -
2026-05-16 A44257 EWR → SFO May 16, 00:45 UTCMay 16, 03:30 UTC2h 45m - -
2026-05-15 A224FA EWR → SFO May 15, 22:25 UTCMay 15, 23:15 UTC50m - -
2026-05-14 A224FA EWR → SFO May 14, 23:05 UTCMay 14, 23:50 UTC45m - -
2026-05-13 A12F6D EWR → SFO May 13, 23:00 UTCMay 13, 23:45 UTC45m - -
2026-05-13 A94B72 EWR → SFO May 13, 00:40 UTCMay 13, 03:35 UTC2h 55m - -
2026-05-12 A097E9 EWR → SFO May 12, 22:20 UTCMay 12, 23:05 UTC45m - -

Performance history

Flights tracked
74 showing last 30
Avg arrival delay
-3m
On-time arrival
100% 100% on time
Aircraft used
25

Monthly activity 2 months

Month Flights tracked
May 2026 50
April 2026 24

UAL1439 frequently asked

Where does flight UAL1439 fly?
UAL1439 (United Airlines) flies from EWR to SFO. View the full route page.
How long is flight UAL1439?
Based on observed flights, UAL1439 takes on average 1h 38m from takeoff to landing.
How often does UAL1439 fly?
UAL1439 has been observed flying several times a week in our tracking data. We've recorded 74 flights under this callsign.
Is flight UAL1439 usually on time?
Across recent flights, UAL1439 arrives 3 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1439?
UAL1439 has been operated by 25 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1439 live?
Yes. When UAL1439 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.