Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1581

Operated by United Airlines

Live map

Live map filtered to UAL1581. Shown when the flight is currently airborne.

Route airports View route page →

Departure

KOA PHKO VFR

Ellison Onizuka Kona International Airport at Keāhole

Kailua-Kona, US

Local time
00:06 HST
Timezone
Pacific/Honolulu
Type
Large Airport
Elevation
47 ft
Coordinates
19.7388, -156.0456

cloud Weather

Wind
70° / 3 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
24°C / 17°C
Altimeter
30.01 inHg

Obs: 2026-05-30T09:53:00.000Z

Raw METAR / TAF 
METAR PHKO 300953Z AUTO 07003KT 10SM CLR 24/17 A3001 RMK AO2 SLP162 T02440172 403000217

TAF PHKO 300811Z 3008/3112 VRB06KT P6SM FEW045 FM302000 24010KT P6SM FEW030 BKN050 FM310600 VRB06KT P6SM SCT050

flight Live Traffic

flight_takeoff 11 Departures
flight_land 6 Arrivals

Arrival

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
03:06 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
240° / 5 kt
Visibility
10 SM
Ceiling
OVC 1,200 ft
Temp / Dew
13°C / 10°C
Altimeter
30.09 inHg

Obs: 2026-05-30T09:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300956Z 24005KT 10SM OVC012 13/10 A3009 RMK AO2 SLP190 T01280100

TAF KSFO 300900Z 3009/3112 27008KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 278 Departures
flight_land 219 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A12AA4 KOA → SFO May 29, 19:20 UTCMay 29, 19:40 UTC20m - -
2026-05-29 A12AA4 KOA → SFO May 29, 14:40 UTCMay 29, 15:10 UTC30m - -
2026-05-29 A12AA4 KOA → SFO May 29, 14:23 UTCMay 29, 19:41 UTC5h 18m +18m -3m
2026-05-28 AA7EC2 KOA → SFO May 28, 14:35 UTCMay 28, 19:15 UTC4h 40m - -
2026-05-27 A5D2F9 KOA → SFO May 27, 18:45 UTCMay 27, 19:05 UTC20m - -
2026-05-27 A5D2F9 KOA → SFO May 27, 14:15 UTCMay 27, 14:40 UTC25m - -
2026-05-26 A12AC2 KOA → SFO May 26, 14:23 UTCMay 26, 18:57 UTC4h 34m +18m -5m
2026-05-26 A12AC2 KOA → SFO May 26, 14:09 UTCMay 26, 14:40 UTC30m - -
2026-05-25 A2B7CD KOA → SFO May 25, 18:50 UTCMay 25, 19:10 UTC20m - -
2026-05-25 A2B7CD KOA → SFO May 25, 14:25 UTCMay 25, 14:55 UTC30m - -
2026-05-24 A44982 KOA → SFO May 24, 18:45 UTCMay 24, 19:10 UTC25m - -
2026-05-24 A44982 KOA → SFO May 24, 14:20 UTCMay 24, 14:50 UTC30m - -
2026-05-23 A12A9D KOA → SFO May 23, 14:15 UTCMay 23, 19:05 UTC4h 50m - -
2026-05-23 A12A9D KOA → SFO May 23, 14:23 UTCMay 23, 19:03 UTC4h 40m +18m -2m
2026-05-22 A12AC0 KOA → SFO May 22, 19:10 UTCMay 22, 19:30 UTC20m - -
2026-05-22 A12AC0 KOA → SFO May 22, 14:35 UTCMay 22, 15:05 UTC30m - -
2026-05-21 AA7ABE KOA → SFO May 21, 10:10 UTCMay 21, 11:15 UTC1h 5m - -
2026-05-20 A224F9 KOA → SFO May 20, 14:00 UTCMay 20, 16:05 UTC2h 5m - -
2026-05-20 A224F9 KOA → SFO May 20, 13:56 UTCMay 20, 15:57 UTC2h 1m +11m +6m
2026-05-19 A13651 KOA → SFO May 19, 13:55 UTCMay 19, 15:50 UTC1h 55m - -
2026-05-18 A49F87 KOA → SFO May 18, 13:55 UTCMay 18, 15:45 UTC1h 50m - -
2026-05-17 A0BF8C KOA → SFO May 17, 16:30 UTCMay 17, 17:01 UTC30m - -
2026-05-17 A0BF8C KOA → SFO May 17, 16:36 UTCMay 17, 18:29 UTC1h 53m +171m +9m
2026-05-16 A224F9 KOA → SFO May 16, 14:11 UTCMay 16, 16:00 UTC1h 50m - -
2026-05-15 A2C35A KOA → SFO May 15, 14:06 UTCMay 15, 15:28 UTC1h 22m +21m -8m
2026-05-15 A2C35A KOA → SFO May 15, 13:50 UTCMay 15, 15:35 UTC1h 44m - -
2026-05-14 A2C336 KOA → SFO May 14, 14:05 UTCMay 14, 15:50 UTC1h 45m - -
2026-05-14 A2C336 KOA → SFO May 14, 14:06 UTCMay 14, 15:40 UTC1h 34m +21m -4m
2026-05-13 A24CC0 KOA → SFO May 13, 14:20 UTCMay 13, 16:15 UTC1h 55m - -
2026-05-12 A3B268 KOA → SFO May 12, 13:55 UTCMay 12, 15:50 UTC1h 55m - -

Performance history

Flights tracked
53 showing last 30
Avg arrival delay
-1m
On-time arrival
100% 100% on time
Aircraft used
17

Monthly activity 2 months

Month Flights tracked
May 2026 46
April 2026 7

UAL1581 frequently asked

Where does flight UAL1581 fly?
UAL1581 (United Airlines) flies from KOA to SFO. View the full route page.
How long is flight UAL1581?
Based on observed flights, UAL1581 takes on average 1h 44m from takeoff to landing.
How often does UAL1581 fly?
UAL1581 has been observed flying several times a week in our tracking data. We've recorded 53 flights under this callsign.
Is flight UAL1581 usually on time?
Across recent flights, UAL1581 arrives 1 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1581?
UAL1581 has been operated by 17 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1581 live?
Yes. When UAL1581 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.