Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3891

Operated by United Airlines

Live map

Live map filtered to UAL3891. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
14:53 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
360° / 8G18 kt
Visibility
10 SM
Ceiling
BKN 4,100 ft, BKN 5,500 ft, BKN 7,000 ft, BKN 25,000 ft
Temp / Dew
28°C / 20°C
Altimeter
30.10 inHg

Obs: 2026-09-18T17:52:00.000Z

Raw METAR / TAF 
METAR KIAD 181752Z 36008G18KT 10SM BKN041 BKN055 BKN070 BKN250 28/20 A3010 RMK AO2 RAB30E39 SLP190 P0000 60000 T02780200 56008

TAF KIAD 181722Z 1818/1924 36009KT P6SM OVC040 PROB30 1818/1820 -SHRA FM182000 01009KT P6SM SCT040 FM191500 05007KT P6SM BKN110 FM192100 12007KT P6SM BKN050

flight Live Traffic

flight_takeoff 145 Departures
flight_land 144 Arrivals

Arrival

EWR KEWR VFR

Newark Liberty International Airport

Newark, US

Local time
14:53 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
18 ft
Coordinates
40.6894, -74.1705

cloud Weather

Wind
VRB / 5 kt
Visibility
10 SM
Ceiling
FEW 3,500 ft, FEW 9,000 ft, SCT 25,000 ft
Temp / Dew
28°C / 14°C
Altimeter
30.05 inHg

Obs: 2026-09-18T17:51:00.000Z

Raw METAR / TAF 
METAR KEWR 181751Z VRB05KT 10SM FEW035 FEW090 SCT250 28/14 A3005 RMK AO2 SLP175 T02830144 10283 20233 58012

TAF KEWR 181730Z 1818/1924 34010KT P6SM SCT060 FM190300 01012KT P6SM FEW060 SCT250 FM191000 03011KT P6SM FEW060 BKN200 FM191500 05010KT P6SM SCT150 FM191800 12007KT P6SM SCT050 SCT120

flight Live Traffic

flight_takeoff 162 Departures
flight_land 189 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AB942F IAD → EWR Jul 26, 03:05 UTCJul 26, 04:45 UTC1h 40m - -
2026-07-26 AB942F IAD → EWR Jul 26, 02:53 UTCJul 26, 04:42 UTC1h 49m +503m -3m
2026-07-20 A416BE RFD → CLE Jul 20, 06:10 UTCJul 20, 06:48 UTC38m +25m -3m
2026-07-20 A416BE - Jul 20, 05:50 UTCJul 20, 06:35 UTC45m - -
2026-07-16 AB1644 DEN → MLB Jul 16, 02:10 UTCJul 16, 05:25 UTC3h 15m - -
2026-07-14 A9D62E GUM → HNL Jul 14, 00:11 UTCJul 14, 07:43 UTC7h 32m +11m +4m
2026-07-09 A3D2E5 - Jul 9, 03:40 UTCJul 9, 05:50 UTC2h 10m - -
2026-07-09 A3D2E5 EWR → MLB Jul 9, 03:37 UTCJul 9, 05:44 UTC2h 7m +67m -7m
2026-06-29 A0B88F DEN → MLB Jun 29, 02:05 UTCJun 29, 05:20 UTC3h 15m - -
2026-06-26 A8D489 ORD → CEA Jun 26, 04:00 UTCJun 26, 05:39 UTC1h 40m - -
2026-06-26 A8D489 ORD → IAB Jun 26, 04:15 UTCJun 26, 05:43 UTC1h 28m +45m +3m
2026-06-22 AB4531 - Jun 22, 02:45 UTCJun 22, 06:39 UTC3h 55m - -
2026-06-16 A49F89 - Jun 16, 06:45 UTCJun 16, 08:39 UTC1h 55m - -
2026-06-14 A0FBFA IAD → EWR Jun 14, 05:50 UTCJun 14, 06:10 UTC20m - -
2026-06-09 A3C847 IAD → EWR Jun 9, 23:45 UTCJun 10, 00:55 UTC1h 10m - -
2026-06-07 A0817F IAD → EWR Jun 7, 03:15 UTCJun 7, 03:30 UTC15m - -
2026-06-07 A0817F IAD → EWR Jun 7, 02:10 UTCJun 7, 03:30 UTC1h 20m - -
2026-06-07 A0817F IAD → EWR Jun 7, 02:02 UTCJun 7, 02:59 UTC57m -100m +7m
2026-06-05 A52C4F IAD → EWR Jun 5, 17:05 UTCJun 5, 17:40 UTC35m - -
2026-06-03 A13608 IAD → EWR Jun 3, 04:05 UTCJun 3, 04:45 UTC40m - -
2026-05-24 A43EE5 IAD → EWR May 24, 05:55 UTCMay 24, 06:10 UTC15m - -
2026-05-23 A4460D IAD → EWR May 23, 05:25 UTCMay 23, 07:40 UTC2h 15m - -
2026-05-23 A4460D IAD → EWR May 23, 04:58 UTCMay 23, 07:33 UTC2h 35m on time -35m
2026-05-17 A11FA3 IAD → EWR May 17, 01:55 UTCMay 17, 04:05 UTC2h 10m - -
2026-05-13 A47809 IAD → EWR May 13, 02:00 UTCMay 13, 02:55 UTC55m - -
2026-05-07 AC6118 IAD → EWR May 7, 02:55 UTCMay 7, 05:50 UTC2h 55m - -
2026-05-07 AC6118 IAD → EWR May 7, 02:55 UTCMay 7, 05:44 UTC2h 49m +25m +9m
2026-05-05 A92362 IAD → EWR May 5, 04:00 UTCMay 5, 06:15 UTC2h 15m - -
2026-05-05 A92362 IAD → EWR May 5, 03:44 UTCMay 5, 06:23 UTC2h 39m +194m -27m
2026-05-02 A94B0B IAD → EWR May 2, 07:00 UTCMay 2, 08:15 UTC1h 15m - -

Performance history

Flights tracked
38 showing last 30
Avg arrival delay
-6m
On-time arrival
100% 100% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 8
June 2026 12
May 2026 10
April 2026 8

UAL3891 frequently asked

Where does flight UAL3891 fly?
UAL3891 (United Airlines) flies from IAD to EWR. View the full route page.
How long is flight UAL3891?
Based on observed flights, UAL3891 takes on average 1h 55m from takeoff to landing.
How often does UAL3891 fly?
UAL3891 has been observed flying several times a week in our tracking data. We've recorded 38 flights under this callsign.
Is flight UAL3891 usually on time?
Across recent flights, UAL3891 arrives 6 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3891?
UAL3891 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3891 live?
Yes. When UAL3891 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.