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 VFR

Boston Logan International Airport

Boston, US

Local time
16:19 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
110° / 11 kt
Visibility
10 SM
Ceiling
SCT 4,400 ft, BKN 6,000 ft
Temp / Dew
25°C / 21°C
Altimeter
29.95 inHg

Obs: 2026-08-28T19:54:00.000Z

Raw METAR / TAF 
METAR KBOS 281954Z 11011KT 10SM SCT044 BKN060 25/21 A2995 RMK AO2 CIG 046 E SLP142 T02500206 $

TAF KBOS 281733Z 2818/2924 23008KT P6SM SCT035 FM281830 10005KT P6SM SCT035 PROB30 2819/2823 4SM TSRA OVC035CB FM282300 21004KT P6SM BKN100 FM290200 30005KT P6SM SCT250 FM290600 33008KT P6SM SCT200 FM291600 08004KT P6SM SKC

flight Live Traffic

flight_takeoff 112 Departures
flight_land 130 Arrivals

Arrival

YUL CYUL VFR

Montreal / Pierre Elliott Trudeau International Airport

Montréal, CA

Local time
16:19 EDT
Timezone
America/Toronto
Type
Large Airport
Elevation
118 ft
Coordinates
45.4678, -73.7423

cloud Weather

Wind
300° / 8G16 kt
Visibility
30 SM
Ceiling
FEW 4,500 ft, SCT 6,000 ft
Temp / Dew
22°C / 12°C
Altimeter
30.03 inHg

Obs: 2026-08-28T20:00:00.000Z

Raw METAR / TAF 
METAR CYUL 282000Z 30008G16KT 30SM FEW045 SCT060 22/12 A3003 RMK CU2SC1 SLP172 DENSITY ALT 800FT

TAF CYUL 281740Z 2818/2924 28012KT P6SM SCT040 TEMPO 2818/2822 BKN040 FM282200 28012KT P6SM FEW040 BECMG 2900/2902 29006KT FM290600 29005KT P6SM SKC BECMG 2913/2915 25012KT FEW040 FM292200 24012KT P6SM BKN080 RMK NXT FCST BY 282100Z

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A0B88D BOS → YUL Jul 26, 17:30 UTCJul 26, 19:40 UTC2h 10m - -
2026-07-25 AA7E79 BOS → YUL Jul 25, 17:30 UTCJul 25, 19:40 UTC2h 10m - -
2026-07-23 A94B50 BOS → YUL Jul 23, 00:15 UTCJul 23, 05:45 UTC5h 30m - -
2026-07-22 A94B50 BOS → YUL Jul 22, 23:57 UTCJul 23, 05:40 UTC5h 43m +178m -1m
2026-07-21 A46D4F BOS → YUL Jul 21, 23:35 UTCJul 22, 05:20 UTC5h 45m - -
2026-07-21 A43E5E BOS → YUL Jul 21, 01:10 UTCJul 21, 02:35 UTC1h 25m - -
2026-07-19 A582BB - Jul 19, 18:05 UTCJul 19, 20:40 UTC2h 35m - -
2026-07-19 A582BB ORD → BZN Jul 19, 18:14 UTCJul 19, 20:57 UTC2h 43m +29m -3m
2026-07-18 ABB440 DEN → BUR Jul 18, 17:45 UTCJul 18, 19:35 UTC1h 50m - -
2026-07-18 A39FB1 - Jul 18, 01:54 UTCJul 18, 03:35 UTC1h 41m - -
2026-07-16 A12734 LGA → IAH Jul 16, 14:38 UTCJul 16, 17:32 UTC2h 54m +23m -4m
2026-07-16 A12734 - Jul 16, 14:35 UTCJul 16, 17:35 UTC3h 0m - -
2026-07-14 A6045D IAH → AUS Jul 14, 15:30 UTCJul 14, 16:05 UTC35m - -
2026-07-14 A6045D IAH → AUS Jul 14, 15:39 UTCJul 14, 16:01 UTC22m +24m +10m
2026-07-14 AC0831 - Jul 14, 01:15 UTCJul 14, 03:05 UTC1h 50m - -
2026-07-13 A12F73 SFO → BOS Jul 13, 15:25 UTCJul 13, 20:50 UTC5h 25m - -
2026-07-13 A445A9 - Jul 13, 01:05 UTCJul 13, 03:10 UTC2h 5m - -
2026-07-10 A9D59A - Jul 10, 21:25 UTCJul 10, 22:40 UTC1h 15m - -
2026-07-10 A43EED - Jul 10, 04:55 UTCJul 10, 06:05 UTC1h 10m - -
2026-07-09 A12AC5 - Jul 9, 01:05 UTCJul 9, 03:35 UTC2h 30m - -
2026-07-09 A12AC5 IAH → MCO Jul 9, 01:08 UTCJul 9, 03:34 UTC2h 26m +18m +43m
2026-07-06 AB3655 SFO → CMH Jul 6, 19:00 UTCJul 6, 23:10 UTC4h 10m - -
2026-07-06 AB3655 SFO → CMH Jul 6, 18:56 UTCJul 6, 23:10 UTC4h 14m +86m +2m
2026-07-04 A46D95 - Jul 4, 20:05 UTCJul 4, 23:05 UTC3h 0m - -
2026-07-04 A46D95 RAP → ORD Jul 4, 20:02 UTCJul 4, 22:45 UTC2h 43m +27m +93m
2026-06-26 AB7067 DEN → SDF Jun 26, 01:10 UTCJun 26, 03:15 UTC2h 5m - -
2026-06-25 A44963 - Jun 25, 00:05 UTCJun 25, 00:24 UTC20m - -
2026-06-24 A44963 - Jun 24, 19:24 UTCJun 24, 19:59 UTC35m - -
2026-06-24 A44963 SFO → HNL Jun 24, 19:22 UTCJun 25, 00:30 UTC5h 8m +22m -8m
2026-06-24 A4495D - Jun 24, 01:09 UTCJun 24, 03:00 UTC1h 50m - -

Performance history

Flights tracked
75 showing last 30
Avg arrival delay
+17m
On-time arrival
75% 75% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 25
June 2026 22
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 38m 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 75 flights under this callsign.
Is flight UAL8123 usually on time?
Across recent flights, UAL8123 arrives with an average 17-minute delay. 75% 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.