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
13:13 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 600 ft, SCT 1,000 ft, BKN 11,000 ft, OVC 20,000 ft
Temp / Dew
16°C / 13°C
Altimeter
30.04 inHg

Obs: 2026-08-28T19:56:00.000Z

Raw METAR / TAF 
METAR KSFO 281956Z 27010KT 10SM FEW006 SCT010 BKN110 OVC200 16/13 A3004 RMK AO2 SLP173 T01610133

TAF KSFO 281739Z 2818/2924 30012KT P6SM VCSH BKN120 FM282000 29016KT P6SM VCSH BKN100 FM290700 29010KT P6SM FEW012 FM291000 29008KT P6SM SCT012 FM291800 29015KT P6SM FEW015

flight Live Traffic

flight_takeoff 116 Departures
flight_land 111 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
16:13 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 103 Departures
flight_land 128 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.