Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1665

Operated by United Airlines

Live map

Live map filtered to UAL1665. 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
18:46 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 10 kt
Visibility
10 SM
Ceiling
FEW 2,600 ft
Temp / Dew
18°C / 9°C
Altimeter
29.90 inHg

Obs: 2026-10-13T00:56:00.000Z

Raw METAR / TAF 
METAR KSFO 130056Z 27010KT 10SM FEW026 18/09 A2990 RMK AO2 SLP126 T01830089 $

TAF KSFO 122320Z 1300/1406 28012KT P6SM SKC FM130300 28006KT P6SM SKC FM131400 08004KT P6SM SKC FM132000 32011KT P6SM SKC FM140400 28007KT P6SM SKC

flight Live Traffic

flight_takeoff 232 Departures
flight_land 258 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
21:46 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
350° / 9 kt
Visibility
10 SM
Ceiling
SCT 25,000 ft
Temp / Dew
19°C / 13°C
Altimeter
29.81 inHg

Obs: 2026-10-13T00:54:00.000Z

Raw METAR / TAF 
METAR KBOS 130054Z 35009KT 10SM SCT250 19/13 A2981 RMK AO2 SLP094 T01890128

TAF KBOS 122333Z 1300/1406 31007KT P6SM FEW030 BKN200 FM130300 35007KT P6SM BKN035 FM130500 05010KT 6SM BR OVC020 FM130600 06012G18KT 6SM BR VCSH OVC008 PROB30 1308/1311 4SM -SHRA BR OVC006 FM131100 07012KT 5SM BR VCSH OVC008 FM131700 12009KT 5SM BR VCSH FEW004 OVC008 PROB30 1319/1401 4SM -SHRA OVC006

flight Live Traffic

flight_takeoff 198 Departures
flight_land 192 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A2BBAC SFO → BOS Jul 26, 06:45 UTCJul 26, 12:00 UTC5h 15m - -
2026-07-25 A12F75 SFO → BOS Jul 25, 06:50 UTCJul 25, 11:50 UTC5h 0m - -
2026-07-24 A12AE6 SFO → BOS Jul 24, 06:30 UTCJul 24, 11:30 UTC5h 0m - -
2026-07-23 A12F09 SFO → BOS Jul 23, 06:35 UTCJul 23, 11:40 UTC5h 5m - -
2026-07-22 A12F6D SFO → BOS Jul 22, 10:20 UTCJul 22, 11:35 UTC1h 15m - -
2026-07-21 A449A8 SFO → BOS Jul 21, 07:30 UTCJul 21, 12:30 UTC5h 0m - -
2026-07-20 A2B7CD SFO → BOS Jul 20, 11:30 UTCJul 20, 12:55 UTC1h 25m - -
2026-07-20 A2B7CD SFO → BOS Jul 20, 07:45 UTCJul 20, 11:25 UTC3h 40m - -
2026-07-19 AA7F48 SFO → BOS Jul 19, 06:45 UTCJul 19, 11:45 UTC5h 0m - -
2026-07-18 A44540 - Jul 18, 08:15 UTCJul 18, 13:30 UTC5h 15m - -
2026-07-17 A12A9E - Jul 17, 06:29 UTCJul 17, 11:30 UTC5h 0m - -
2026-07-16 A12F71 SFO → BOS Jul 16, 07:00 UTCJul 16, 12:00 UTC5h 0m - -
2026-07-16 A12F71 SFO → BOS Jul 16, 06:38 UTCJul 16, 11:56 UTC5h 18m +33m -25m
2026-07-15 A449A1 SFO → BOS Jul 15, 06:35 UTCJul 15, 11:45 UTC5h 10m - -
2026-07-14 A2B83B - Jul 14, 06:50 UTCJul 14, 11:55 UTC5h 5m - -
2026-07-13 AA7F09 SFO → BOS Jul 13, 06:20 UTCJul 13, 11:35 UTC5h 15m - -
2026-07-12 A923A7 SFO → BOS Jul 12, 06:25 UTCJul 12, 11:40 UTC5h 15m - -
2026-07-11 A44960 - Jul 11, 06:30 UTCJul 11, 11:40 UTC5h 10m - -
2026-07-09 A44982 SFO → BOS Jul 9, 06:28 UTCJul 9, 11:31 UTC5h 3m +23m -24m
2026-07-09 A44982 SFO → BOS Jul 9, 06:35 UTCJul 9, 11:35 UTC5h 0m - -
2026-07-08 A2BBF2 - Jul 8, 06:35 UTCJul 8, 11:40 UTC5h 5m - -
2026-07-07 A4495C - Jul 7, 06:40 UTCJul 7, 11:50 UTC5h 10m - -
2026-07-06 A5D2D4 - Jul 6, 06:40 UTCJul 6, 11:45 UTC5h 5m - -
2026-07-05 A12A81 SFO → BOS Jul 5, 06:20 UTCJul 5, 11:30 UTC5h 10m - -
2026-07-04 A4493D - Jul 4, 06:25 UTCJul 4, 11:50 UTC5h 25m - -
2026-07-04 A4493D SFO → BOS Jul 4, 06:28 UTCJul 4, 11:50 UTC5h 22m +23m -3m
2026-07-03 A12B09 SFO → BOS Jul 3, 06:40 UTCJul 3, 11:50 UTC5h 10m - -
2026-07-03 A12B09 SFO → BOS Jul 3, 06:28 UTCJul 3, 11:52 UTC5h 24m +23m -6m
2026-07-02 A44917 - Jul 2, 06:20 UTCJul 2, 11:50 UTC5h 30m - -
2026-07-02 A44917 SFO → BOS Jul 2, 06:28 UTCJul 2, 11:47 UTC5h 19m +23m +8m

Performance history

Flights tracked
164 showing last 30
Avg arrival delay
-10m
On-time arrival
100% 100% on time
Aircraft used
24

Monthly activity 4 months

Month Flights tracked
July 2026 31
June 2026 32
May 2026 55
April 2026 46

UAL1665 frequently asked

Where does flight UAL1665 fly?
UAL1665 (United Airlines) flies from SFO to BOS. View the full route page.
How long is flight UAL1665?
Based on observed flights, UAL1665 takes on average 4h 52m from takeoff to landing.
How often does UAL1665 fly?
UAL1665 has been observed flying several times a week in our tracking data. We've recorded 164 flights under this callsign.
Is flight UAL1665 usually on time?
Across recent flights, UAL1665 arrives 10 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1665?
UAL1665 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1665 live?
Yes. When UAL1665 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.