Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL8139

Operated by United Airlines

Live map

Live map filtered to UAL8139. Shown when the flight is currently airborne.

Route airports View route page →

Departure

YYZ CYYZ VFR

Toronto Pearson International Airport

Toronto, CA

Local time
06:32 EDT
Timezone
America/Toronto
Type
Large Airport
Elevation
569 ft
Coordinates
43.6759, -79.6294

cloud Weather

Wind
340° / 11 kt
Visibility
15 SM
Ceiling
SKC
Temp / Dew
14°C / 12°C
Altimeter
30.06 inHg

Obs: 2026-08-28T10:00:00.000Z

Raw METAR / TAF 
METAR CYYZ 281000Z 34011KT 15SM SKC 14/12 A3006 RMK SLP180

TAF CYYZ 280840Z 2809/2912 33010KT P6SM FEW020 BECMG 2811/2813 35010KT FM281700 36007KT P6SM SCT050 FM282000 03005KT P6SM BKN050 BECMG 2820/2822 17005KT FM290200 18005KT P6SM SCT050 FM290500 30005KT P6SM SKC FM290900 30005KT P6SM BKN050 FM291100 26005KT P6SM SCT050 RMK NXT FCST BY 281200Z

flight Live Traffic

flight_takeoff 90 Departures
flight_land 64 Arrivals

Arrival

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
06:32 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft, BKN 19,000 ft
Temp / Dew
21°C / 19°C
Altimeter
29.96 inHg

Obs: 2026-08-28T09:52:00.000Z

Raw METAR / TAF 
METAR KIAD 280952Z 00000KT 10SM FEW100 BKN190 21/19 A2996 RMK AO2 SLP143 T02110194

TAF KIAD 280912Z 2809/2912 00000KT P6SM OVC140 FM281200 33005KT P6SM BKN060 FM281700 36007KT P6SM BKN060 FM290000 02005KT P6SM SCT070 FM290600 35007KT P6SM FEW070

flight Live Traffic

flight_takeoff 189 Departures
flight_land 197 Arrivals

Recent history last 27

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-22 A2E045 YYZ → IAD Jul 22, 04:20 UTCJul 22, 05:20 UTC1h 0m - -
2026-07-19 A0E751 YYZ → IAD Jul 19, 19:45 UTCJul 19, 20:50 UTC1h 5m - -
2026-07-16 A24C73 ORD → ROC Jul 16, 19:20 UTCJul 16, 20:29 UTC1h 10m - -
2026-07-13 AAFDA1 DFW → EWR Jul 13, 06:05 UTCJul 13, 09:05 UTC3h 0m - -
2026-07-13 AAFDA1 DFW → EWR Jul 13, 06:00 UTCJul 13, 09:06 UTC3h 6m +273m -2m
2026-06-22 A5CF8B SFO → LAS Jun 22, 06:29 UTCJun 22, 07:30 UTC1h 0m - -
2026-06-19 A44213 BOS → EWR Jun 19, 03:09 UTCJun 19, 03:55 UTC45m - -
2026-06-19 A44213 BOS → EWR Jun 19, 02:57 UTCJun 19, 03:56 UTC59m +237m -10m
2026-06-17 A3C775 YYZ → IAD Jun 17, 20:05 UTCJun 17, 21:10 UTC1h 5m - -
2026-06-16 A12733 YYZ → IAD Jun 16, 07:45 UTCJun 16, 08:55 UTC1h 10m - -
2026-06-12 A5CC13 YYZ → IAD Jun 12, 06:40 UTCJun 12, 07:45 UTC1h 5m - -
2026-06-09 A43EA7 YYZ → IAD Jun 9, 07:25 UTCJun 9, 08:25 UTC1h 0m - -
2026-05-28 A44258 YYZ → IAD May 28, 19:05 UTCMay 28, 20:25 UTC1h 20m - -
2026-05-28 A44258 YYZ → IAD May 28, 19:12 UTCMay 28, 20:24 UTC1h 12m +312m +64m
2026-05-26 AB7B8C YYZ → IAD May 26, 02:49 UTCMay 26, 05:30 UTC2h 40m - -
2026-05-26 AB7B8C YYZ → IAD May 26, 02:49 UTCMay 26, 05:23 UTC2h 34m +82m -20m
2026-05-22 A44258 YYZ → IAD May 22, 06:35 UTCMay 22, 07:45 UTC1h 10m - -
2026-05-20 A94B0A YYZ → IAD May 20, 17:45 UTCMay 20, 19:50 UTC2h 5m - -
2026-05-19 A76F6C YYZ → IAD May 19, 23:05 UTCMay 19, 23:25 UTC20m - -
2026-05-19 A76F6C YYZ → IAD May 19, 19:27 UTCMay 19, 22:49 UTC3h 22m +22m -7m
2026-05-19 A76F6C YYZ → IAD May 19, 19:30 UTCMay 19, 23:25 UTC3h 55m - -
2026-05-17 A62825 YYZ → IAD May 17, 00:55 UTCMay 17, 01:40 UTC45m - -
2026-05-05 A12A7F YYZ → IAD May 5, 00:45 UTCMay 5, 03:40 UTC2h 55m - -
2026-04-21 A0B844 YYZ → IAD Apr 21, 01:50 UTCApr 21, 03:45 UTC1h 55m - -
2026-04-21 A0B844 YYZ → IAD Apr 21, 01:50 UTCApr 21, 03:44 UTC1h 54m +20m -7m
2026-04-18 A448F6 YYZ → IAD Apr 18, 16:20 UTCApr 18, 21:25 UTC5h 5m - -
2026-04-18 A448F6 YYZ → IAD Apr 18, 16:04 UTCApr 18, 21:23 UTC5h 19m +21m -20m

Performance history

Flights tracked
27
Avg arrival delay
on time
On-time arrival
86% 86% on time
Aircraft used
18

Monthly activity 4 months

Month Flights tracked
July 2026 5
June 2026 7
May 2026 11
April 2026 4

UAL8139 frequently asked

Where does flight UAL8139 fly?
UAL8139 (United Airlines) flies from YYZ to IAD. View the full route page.
How long is flight UAL8139?
Based on observed flights, UAL8139 takes on average 1h 58m from takeoff to landing.
How often does UAL8139 fly?
UAL8139 has been observed flying several times a week in our tracking data. We've recorded 27 flights under this callsign.
Is flight UAL8139 usually on time?
Across recent flights, UAL8139 arrives 0 minutes early on average. 86% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL8139?
UAL8139 has been operated by 18 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL8139 live?
Yes. When UAL8139 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.