Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL433

Operated by United Airlines

Live map

Live map filtered to UAL433. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS IFR

Boston Logan International Airport

Boston, US

Local time
06:18 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
240° / 5 kt
Visibility
10 SM
Ceiling
BKN 900 ft, BKN 15,000 ft
Temp / Dew
22°C / 21°C
Altimeter
29.97 inHg

Obs: 2026-08-28T09:54:00.000Z

Raw METAR / TAF 
METAR KBOS 280954Z 24005KT 10SM BKN009 BKN150 22/21 A2997 RMK AO2 SLP150 T02220206

TAF KBOS 280915Z 2809/2912 19005KT P6SM BKN007 OVC150 FM281200 19007KT P6SM SCT025 FM281500 12005KT P6SM BKN050 PROB30 2818/2821 4SM TSRA OVC040CB FM282300 21004KT P6SM BKN100 FM290300 33007KT P6SM SCT090

flight Live Traffic

flight_takeoff 316 Departures
flight_land 301 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
03:18 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
300° / 13 kt
Visibility
10 SM
Ceiling
FEW 400 ft, BKN 20,000 ft
Temp / Dew
15°C / 13°C
Altimeter
29.93 inHg

Obs: 2026-08-28T09:56:00.000Z

Raw METAR / TAF 
METAR KSFO 280956Z 30013KT 10SM FEW004 BKN200 15/13 A2993 RMK AO2 SLP135 T01500128 $

TAF KSFO 280830Z 2809/2912 30013KT P6SM FEW004 BKN200 FM282000 29014KT P6SM VCSH BKN050 OVC100 FM290300 29010KT P6SM SCT010 BKN120 FM291000 29007KT P6SM BKN010

flight Live Traffic

flight_takeoff 196 Departures
flight_land 101 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AA568F BOS → SFO Jul 26, 20:50 UTCJul 26, 21:45 UTC55m - -
2026-07-25 A5B55F BOS → SFO Jul 25, 21:00 UTCJul 25, 22:45 UTC1h 45m - -
2026-07-24 A445F2 BOS → SFO Jul 24, 20:40 UTCJul 24, 22:25 UTC1h 45m - -
2026-07-23 AA7F08 BOS → SFO Jul 23, 20:30 UTCJul 23, 22:25 UTC1h 55m - -
2026-07-23 AA7F08 BOS → SFO Jul 23, 20:41 UTCJul 23, 22:02 UTC1h 21m +17m +9m
2026-07-22 A9DCE9 BOS → SFO Jul 22, 21:05 UTCJul 22, 23:10 UTC2h 5m - -
2026-07-21 A92478 BOS → SFO Jul 21, 21:25 UTCJul 21, 23:25 UTC2h 0m - -
2026-07-20 A46D4A BOS → SFO Jul 20, 20:30 UTCJul 20, 22:20 UTC1h 50m - -
2026-07-20 A46D4A BOS → SFO Jul 20, 20:40 UTCJul 20, 22:02 UTC1h 22m +17m -9m
2026-07-19 AA56B5 - Jul 19, 21:10 UTCJul 19, 23:00 UTC1h 50m - -
2026-07-18 A0B7B6 - Jul 18, 21:55 UTCJul 19, 00:10 UTC2h 15m - -
2026-07-17 A4943F - Jul 17, 22:29 UTCJul 18, 00:50 UTC2h 20m - -
2026-07-16 A92384 - Jul 16, 22:19 UTCJul 16, 22:25 UTC5m - -
2026-07-16 A92384 - Jul 16, 20:29 UTCJul 16, 22:25 UTC1h 55m - -
2026-07-16 A92384 ALB → ORD Jul 16, 20:41 UTCJul 16, 22:02 UTC1h 21m +17m -8m
2026-07-15 A8FC72 - Jul 15, 20:35 UTCJul 15, 22:35 UTC2h 0m - -
2026-07-14 A8FC2E ORD → ORD Jul 14, 22:25 UTCJul 14, 22:35 UTC10m - -
2026-07-14 A8FC2E - Jul 14, 20:45 UTCJul 14, 22:35 UTC1h 50m - -
2026-07-14 A8FC2E ALB → ORD Jul 14, 20:40 UTCJul 14, 22:06 UTC1h 26m +17m -5m
2026-07-13 A81000 - Jul 13, 20:25 UTCJul 13, 22:00 UTC1h 35m - -
2026-07-13 A81000 ALB → ORD Jul 13, 20:40 UTCJul 13, 21:44 UTC1h 4m +17m -8m
2026-07-12 A3EFA2 - Jul 12, 20:40 UTCJul 12, 22:20 UTC1h 40m - -
2026-07-12 A3EFA2 ALB → ORD Jul 12, 20:40 UTCJul 12, 22:03 UTC1h 23m +17m -9m
2026-07-11 A5F938 - Jul 11, 21:50 UTCJul 11, 23:45 UTC1h 55m - -
2026-07-10 A2E045 - Jul 10, 20:35 UTCJul 10, 22:25 UTC1h 50m - -
2026-07-09 A4945F - Jul 9, 21:30 UTCJul 9, 23:35 UTC2h 5m - -
2026-07-08 A81006 - Jul 8, 20:35 UTCJul 8, 22:20 UTC1h 45m - -
2026-07-07 A44588 - Jul 7, 22:20 UTCJul 7, 22:25 UTC5m - -
2026-07-07 A44588 - Jul 7, 20:35 UTCJul 7, 22:25 UTC1h 50m - -
2026-07-07 A44588 ALB → ORD Jul 7, 20:40 UTCJul 7, 22:04 UTC1h 24m +17m +3m

Performance history

Flights tracked
178 showing last 30
Avg arrival delay
-4m
On-time arrival
100% 100% on time
Aircraft used
20

Monthly activity 4 months

Month Flights tracked
July 2026 40
June 2026 45
May 2026 47
April 2026 46

UAL433 frequently asked

Where does flight UAL433 fly?
UAL433 (United Airlines) flies from BOS to SFO. View the full route page.
How long is flight UAL433?
Based on observed flights, UAL433 takes on average 1h 34m from takeoff to landing.
How often does UAL433 fly?
UAL433 has been observed flying several times a week in our tracking data. We've recorded 178 flights under this callsign.
Is flight UAL433 usually on time?
Across recent flights, UAL433 arrives 4 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL433?
UAL433 has been operated by 20 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL433 live?
Yes. When UAL433 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.