Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1646

Operated by United Airlines

Live map

Live map filtered to UAL1646. 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
11:08 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, SCT 11,000 ft, OVC 20,000 ft
Temp / Dew
17°C / 14°C
Altimeter
30.02 inHg

Obs: 2026-08-28T17:56:00.000Z

Raw METAR / TAF 
METAR KSFO 281756Z 30013KT 10SM FEW004 SCT110 OVC200 17/14 A3002 RMK AO2 SLP164 60000 T01670139 10167 20150 51007

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

Arrival

AUS KAUS VFR

Austin Bergstrom International Airport

Austin, US

Local time
13:08 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
542 ft
Coordinates
30.1975, -97.6620

cloud Weather

Wind
300° / 6 kt
Visibility
10 SM
Ceiling
FEW 6,000 ft, FEW 10,000 ft, SCT 20,000 ft
Temp / Dew
35°C / 19°C
Altimeter
30.04 inHg

Obs: 2026-08-28T17:53:00.000Z

Raw METAR / TAF 
METAR KAUS 281753Z 30006KT 10SM FEW060 FEW100 SCT200 35/19 A3004 RMK AO2 SLP159 ACC NE T03500194 10350 20244 58002

TAF KAUS 281736Z 2818/2924 VRB04KT P6SM SCT040 BKN250 FM282000 10007KT P6SM SCT040 BKN250 PROB30 2821/2824 VRB15G25KT 4SM TSRA BKN050CB FM290000 14008KT P6SM -SHRA SCT250 FM290200 19006KT P6SM SCT250 FM290600 VRB03KT P6SM SCT250 FM291600 19006KT P6SM SCT250

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A12A81 SFO → AUS Jul 26, 00:50 UTCJul 26, 03:45 UTC2h 55m - -
2026-07-25 A12A81 SFO → AUS Jul 25, 00:40 UTCJul 25, 03:45 UTC3h 5m - -
2026-07-24 A2BC12 SFO → AUS Jul 24, 00:25 UTCJul 24, 03:30 UTC3h 5m - -
2026-07-23 A4493E SFO → AUS Jul 23, 00:50 UTCJul 23, 03:45 UTC2h 55m - -
2026-07-22 A12B2F SFO → AUS Jul 22, 00:45 UTCJul 22, 03:35 UTC2h 50m - -
2026-07-21 AA7F28 SFO → AUS Jul 21, 00:20 UTCJul 21, 03:10 UTC2h 50m - -
2026-07-20 A445AB SFO → AUS Jul 20, 01:23 UTCJul 20, 04:15 UTC2h 52m +90m -4m
2026-07-20 A445AB SFO → AUS Jul 20, 01:20 UTCJul 20, 04:20 UTC3h 0m - -
2026-07-19 AA7F09 SFO → AUS Jul 19, 00:19 UTCJul 19, 03:20 UTC3h 1m +26m -8m
2026-07-19 AA7F09 SFO → AUS Jul 19, 00:25 UTCJul 19, 03:25 UTC3h 0m - -
2026-07-18 A44938 SFO → AUS Jul 18, 00:50 UTCJul 18, 03:45 UTC2h 56m - -
2026-07-18 A44938 SFO → AUS Jul 18, 00:53 UTCJul 18, 03:45 UTC2h 52m +60m -17m
2026-07-17 A449A2 DEN → BWI Jul 17, 00:21 UTCJul 17, 03:42 UTC3h 21m +28m -15m
2026-07-17 A449A2 DEN → BWI Jul 17, 00:40 UTCJul 17, 03:39 UTC3h 0m - -
2026-07-16 A12AC1 DEN → BWI Jul 16, 00:35 UTCJul 16, 03:40 UTC3h 5m - -
2026-07-15 A5D68A DEN → BWI Jul 15, 00:35 UTCJul 15, 03:40 UTC3h 5m - -
2026-07-14 A12B07 DEN → BWI Jul 14, 00:45 UTCJul 14, 03:50 UTC3h 5m - -
2026-07-13 A12E80 - Jul 13, 00:20 UTCJul 13, 03:20 UTC3h 0m - -
2026-07-12 AD953C DEN → BWI Jul 12, 00:20 UTCJul 12, 03:15 UTC2h 55m - -
2026-07-11 A2BC9E DEN → BWI Jul 11, 02:00 UTCJul 11, 05:01 UTC3h 0m - -
2026-07-11 A2BC9E DEN → BWI Jul 11, 00:26 UTCJul 11, 05:01 UTC4h 35m +33m +31m
2026-07-10 AA7F2A DEN → BWI Jul 10, 01:10 UTCJul 10, 04:25 UTC3h 15m - -
2026-07-09 A448FA DEN → BWI Jul 9, 01:40 UTCJul 9, 04:50 UTC3h 10m - -
2026-07-08 A5D2F9 DEN → BWI Jul 8, 01:10 UTCJul 8, 04:20 UTC3h 10m - -
2026-07-07 A5D2F9 - Jul 7, 04:05 UTCJul 7, 05:00 UTC55m - -
2026-07-07 A5D2F9 DEN → CMH Jul 7, 00:25 UTCJul 7, 02:50 UTC2h 25m - -
2026-07-06 AC0831 - Jul 6, 00:40 UTCJul 6, 03:45 UTC3h 5m - -
2026-07-04 A12AC3 DEN → BWI Jul 4, 01:05 UTCJul 4, 04:15 UTC3h 10m - -
2026-07-04 A12AC3 DEN → BWI Jul 4, 00:43 UTCJul 4, 04:16 UTC3h 33m +50m -8m
2026-07-03 A12F71 DEN → BWI Jul 3, 00:25 UTCJul 3, 03:25 UTC3h 0m - -

Performance history

Flights tracked
128 showing last 30
Avg arrival delay
-3m
On-time arrival
83% 83% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 34
June 2026 33
May 2026 36
April 2026 25

UAL1646 frequently asked

Where does flight UAL1646 fly?
UAL1646 (United Airlines) flies from SFO to AUS. View the full route page.
How long is flight UAL1646?
Based on observed flights, UAL1646 takes on average 3h 0m from takeoff to landing.
How often does UAL1646 fly?
UAL1646 has been observed flying several times a week in our tracking data. We've recorded 128 flights under this callsign.
Is flight UAL1646 usually on time?
Across recent flights, UAL1646 arrives 3 minutes early on average. 83% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1646?
UAL1646 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1646 live?
Yes. When UAL1646 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.