Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL8123

Operated by United Airlines

Live map

Live map filtered to UAL8123. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS IFR

Boston Logan International Airport

Boston, US

Local time
10:10 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
20° / 28G47 kt
Visibility
2 SM
Ceiling
OVC 900 ft
Temp / Dew
8°C / 8°C
Altimeter
29.77 inHg
Wx
RA BR

Obs: 2026-05-30T13:54:00.000Z

Raw METAR / TAF 
METAR KBOS 301354Z 02028G47KT 2SM R04R/4500VP6000FT RA BR OVC009 08/08 A2977 RMK AO2 PK WND 02047/1352 SLP082 P0018 T00830078

TAF KBOS 301124Z 3012/3118 03020G32KT P6SM -RA SCT008 OVC015 FM301300 03022G44KT 6SM -RA BR SCT008 OVC010 TEMPO 3013/3017 3SM RA BR OVC008 FM302200 01017G28KT P6SM VCSH BKN020 FM310000 01013G20KT P6SM BKN060 FM310300 33010KT P6SM SCT250 FM310600 33007KT P6SM FEW250

flight Live Traffic

flight_takeoff 271 Departures
flight_land 189 Arrivals

Arrival

YUL CYUL VFR

Montreal / Pierre Elliott Trudeau International Airport

Montréal, CA

Local time
10:10 EDT
Timezone
America/Toronto
Type
Large Airport
Elevation
118 ft
Coordinates
45.4678, -73.7423

cloud Weather

Wind
60° / 17 kt
Visibility
15 SM
Ceiling
SCT 2,700 ft, SCT 25,000 ft
Temp / Dew
11°C / 5°C
Altimeter
30.09 inHg

Obs: 2026-05-30T13:00:00.000Z

Raw METAR / TAF 
METAR CYUL 301300Z 06017KT 15SM SCT027 SCT250 11/05 A3009 RMK CU3CI1 CI TR SLP192

TAF CYUL 301140Z 3012/3118 05015G25KT P6SM FEW020 FEW120 BECMG 3016/3018 05012G22KT BECMG 3019/3021 05012KT FM302300 VRB03KT P6SM FEW060 FM310900 25006KT P6SM BKN070 FM311100 29005KT P6SM BKN050 BECMG 3112/3114 33012G22KT RMK NXT FCST BY 301500Z

flight Live Traffic

flight_takeoff 49 Departures
flight_land 31 Arrivals

Recent history last 28

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A12EE0 BOS → YUL May 29, 19:35 UTCMay 29, 20:30 UTC55m - -
2026-05-29 A5D319 BOS → YUL May 29, 06:30 UTCMay 29, 09:35 UTC3h 5m - -
2026-05-29 A5D319 BOS → YUL May 29, 06:38 UTCMay 29, 09:31 UTC2h 53m +418m -20m
2026-05-23 A12A7D BOS → YUL May 23, 01:30 UTCMay 23, 03:15 UTC1h 45m - -
2026-05-21 A445EF BOS → YUL May 21, 03:25 UTCMay 21, 05:20 UTC1h 55m - -
2026-05-19 A14AD1 BOS → YUL May 19, 00:10 UTCMay 19, 01:30 UTC1h 20m - -
2026-05-16 AA7F4E BOS → YUL May 16, 01:20 UTCMay 16, 02:20 UTC1h 0m - -
2026-05-15 A3A0CF BOS → YUL May 15, 18:05 UTCMay 15, 18:55 UTC50m - -
2026-05-11 A5D28C BOS → YUL May 11, 05:20 UTCMay 11, 09:55 UTC4h 35m - -
2026-05-09 A75FBF BOS → YUL May 9, 02:45 UTCMay 9, 03:55 UTC1h 10m - -
2026-05-08 A76F48 BOS → YUL May 8, 06:14 UTCMay 8, 10:39 UTC4h 25m - -
2026-05-06 A12AE4 BOS → YUL May 6, 23:55 UTCMay 7, 02:30 UTC2h 35m - -
2026-05-06 A12429 BOS → YUL May 6, 12:50 UTCMay 6, 14:40 UTC1h 50m - -
2026-05-06 A12429 BOS → YUL May 6, 12:49 UTCMay 6, 14:40 UTC1h 51m +19m -7m
2026-05-05 A12AC9 BOS → YUL May 5, 05:00 UTCMay 5, 05:50 UTC50m - -
2026-05-03 A12B2B BOS → YUL May 3, 23:30 UTCMay 4, 05:25 UTC5h 55m - -
2026-05-01 A12F4C BOS → YUL May 1, 05:10 UTCMay 1, 05:25 UTC15m - -
2026-05-01 A12F4C BOS → YUL May 1, 00:37 UTCMay 1, 05:20 UTC4h 43m +34m -5m
2026-05-01 A12F4C BOS → YUL May 1, 00:35 UTCMay 1, 01:05 UTC30m - -
2026-04-28 A24529 BOS → YUL Apr 28, 05:05 UTCApr 28, 09:20 UTC4h 15m - -
2026-04-28 A24529 BOS → YUL Apr 28, 04:38 UTCApr 28, 09:13 UTC4h 35m +118m +29m
2026-04-24 A44540 BOS → YUL Apr 24, 04:45 UTCApr 24, 06:20 UTC1h 35m - -
2026-04-24 A44540 BOS → YUL Apr 24, 04:45 UTCApr 24, 06:11 UTC1h 26m +47m +1m
2026-04-22 AC0B80 BOS → YUL Apr 22, 00:30 UTCApr 22, 01:55 UTC1h 25m - -
2026-04-21 A2452F BOS → YUL Apr 21, 00:41 UTCApr 21, 02:36 UTC1h 55m +51m +5m
2026-04-21 A2452F BOS → YUL Apr 21, 00:35 UTCApr 21, 02:35 UTC2h 0m - -
2026-04-17 A2B135 SFO → BUR Apr 17, 17:36 UTCApr 17, 18:15 UTC39m +26m +2m
2026-04-13 A05DBC - Apr 13, 17:45 UTCApr 13, 18:55 UTC1h 10m - -

Performance history

Flights tracked
28
Avg arrival delay
+1m
On-time arrival
86% 86% on time
Aircraft used
21

Monthly activity 2 months

Month Flights tracked
May 2026 19
April 2026 9

UAL8123 frequently asked

Where does flight UAL8123 fly?
UAL8123 (United Airlines) flies from BOS to YUL. View the full route page.
How long is flight UAL8123?
Based on observed flights, UAL8123 takes on average 2h 12m from takeoff to landing.
How often does UAL8123 fly?
UAL8123 has been observed flying several times a week in our tracking data. We've recorded 28 flights under this callsign.
Is flight UAL8123 usually on time?
Across recent flights, UAL8123 arrives with an average 1-minute delay. 86% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL8123?
UAL8123 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL8123 live?
Yes. When UAL8123 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.