Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL8108

Operated by United Airlines

Live map

Live map filtered to UAL8108. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
12:00 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
40° / 4 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
17°C / 11°C
Altimeter
29.92 inHg

Obs: 2026-10-12T17:56:00.000Z

Raw METAR / TAF 
METAR KSFO 121756Z 04004KT 10SM CLR 17/11 A2992 RMK AO2 SLP131 T01670106 10167 20100 51013

TAF KSFO 121725Z 1218/1324 08004KT P6SM SKC FM122100 28012KT P6SM SKC FM130300 28006KT P6SM SKC FM131400 08004KT P6SM SKC FM132000 32011KT P6SM SKC

flight Live Traffic

flight_takeoff 255 Departures
flight_land 282 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
15:00 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
290° / 10G18 kt
Visibility
10 SM
Ceiling
SCT 2,600 ft
Temp / Dew
20°C / 13°C
Altimeter
29.72 inHg

Obs: 2026-10-12T17:54:00.000Z

Raw METAR / TAF 
METAR KBOS 121754Z 29010G18KT 10SM SCT026 20/13 A2972 RMK AO2 SLP062 T02000128 10200 20106 58016

TAF KBOS 121733Z 1218/1324 31008KT P6SM FEW017 TEMPO 1218/1220 BKN025 FM130300 35004KT P6SM BKN035 FM130500 05009KT 6SM BR OVC020 FM130600 06011KT 5SM BR OVC008 PROB30 1308/1311 2SM -SHRA BR OVC006 FM131100 07010G18KT 5SM BR OVC008 FM131700 14009KT 6SM BR OVC008 PROB30 1317/1323 4SM -SHRA OVC006

warning FAA Advisories

  • Ground Delay: low ceilings (avg 1 hour and 15 minutes)

flight Live Traffic

flight_takeoff 181 Departures
flight_land 210 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A24573 SFO → BOS Jul 26, 03:25 UTCJul 26, 07:10 UTC3h 46m - -
2026-07-24 A46D4E SFO → BOS Jul 24, 02:20 UTCJul 24, 05:45 UTC3h 25m - -
2026-07-24 A46D4E SFO → BOS Jul 24, 02:28 UTCJul 24, 05:43 UTC3h 15m +34m -2m
2026-07-23 A16ADC SFO → BOS Jul 23, 04:45 UTCJul 23, 05:55 UTC1h 10m - -
2026-07-21 A5CE02 SFO → BOS Jul 21, 05:30 UTCJul 21, 06:55 UTC1h 25m - -
2026-07-20 A24508 SFO → BOS Jul 20, 03:25 UTCJul 20, 05:15 UTC1h 50m - -
2026-07-18 A5BCCD SFO → BOS Jul 18, 22:35 UTCJul 19, 14:30 UTC15h 55m - -
2026-07-09 A23A02 DEN → CLE Jul 9, 00:15 UTCJul 9, 02:50 UTC2h 35m - -
2026-07-09 A23A02 DEN → CLE Jul 9, 00:03 UTCJul 9, 02:51 UTC2h 48m +23m +3m
2026-07-07 A5CE02 - Jul 7, 05:30 UTCJul 7, 06:40 UTC1h 10m - -
2026-07-05 A13650 - Jul 5, 03:55 UTCJul 5, 04:30 UTC35m - -
2026-07-02 A533BD - Jul 2, 04:55 UTCJul 2, 06:00 UTC1h 5m - -
2026-07-01 A923A8 DEN → SLC Jul 1, 02:20 UTCJul 1, 03:25 UTC1h 5m - -
2026-06-18 A5B55F SFO → BOS Jun 18, 06:20 UTCJun 18, 07:20 UTC1h 0m - -
2026-06-17 A441EF SFO → BOS Jun 17, 22:35 UTCJun 18, 00:00 UTC1h 25m - -
2026-06-15 A2B8C5 SFO → BOS Jun 15, 22:30 UTCJun 16, 01:55 UTC3h 25m - -
2026-06-15 A2BBA4 SFO → BOS Jun 15, 06:20 UTCJun 15, 10:35 UTC4h 15m - -
2026-06-14 A56661 SFO → BOS Jun 14, 02:00 UTCJun 14, 03:35 UTC1h 35m - -
2026-06-14 A56661 SFO → BOS Jun 14, 01:55 UTCJun 14, 03:31 UTC1h 36m +45m -5m
2026-06-11 AAA5D4 SFO → BOS Jun 11, 04:55 UTCJun 11, 06:00 UTC1h 5m +55m +6m
2026-06-11 AAA5D4 SFO → BOS Jun 11, 04:55 UTCJun 11, 06:05 UTC1h 10m - -
2026-06-09 A416BE SFO → BOS Jun 9, 23:15 UTCJun 10, 01:00 UTC1h 45m - -
2026-06-04 A4495C SFO → BOS Jun 4, 00:14 UTCJun 4, 03:30 UTC3h 16m +34m -10m
2026-06-04 A4495C SFO → BOS Jun 4, 00:15 UTCJun 4, 03:30 UTC3h 15m - -
2026-06-03 A3F621 SFO → BOS Jun 3, 03:00 UTCJun 3, 04:00 UTC1h 0m - -
2026-06-01 A60814 SFO → BOS Jun 1, 05:25 UTCJun 1, 06:30 UTC1h 5m - -
2026-05-27 A5A2CC SFO → BOS May 27, 05:04 UTCMay 27, 06:09 UTC1h 5m - -
2026-05-24 A1272D SFO → BOS May 24, 16:39 UTCMay 24, 20:35 UTC3h 56m +172m -1m
2026-05-24 A1272D SFO → BOS May 24, 16:45 UTCMay 24, 20:30 UTC3h 45m - -
2026-05-24 A5CC3C SFO → BOS May 24, 00:15 UTCMay 24, 01:10 UTC55m - -

Performance history

Flights tracked
43 showing last 30
Avg arrival delay
-1m
On-time arrival
100% 100% on time
Aircraft used
23

Monthly activity 4 months

Month Flights tracked
July 2026 13
June 2026 13
May 2026 12
April 2026 5

UAL8108 frequently asked

Where does flight UAL8108 fly?
UAL8108 (United Airlines) flies from SFO to BOS. View the full route page.
How long is flight UAL8108?
Based on observed flights, UAL8108 takes on average 2h 31m from takeoff to landing.
How often does UAL8108 fly?
UAL8108 has been observed flying several times a week in our tracking data. We've recorded 43 flights under this callsign.
Is flight UAL8108 usually on time?
Across recent flights, UAL8108 arrives 1 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL8108?
UAL8108 has been operated by 23 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL8108 live?
Yes. When UAL8108 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.