Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1639

Operated by United Airlines

Live map

Live map filtered to UAL1639. Shown when the flight is currently airborne.

Route airports View route page →

Departure

OGG PHOG VFR

Kahului International Airport

Kahului, US

Local time
17:23 HST
Timezone
Pacific/Honolulu
Type
Large Airport
Elevation
54 ft
Coordinates
20.8963, -156.4318

cloud Weather

Wind
350° / 14 kt
Visibility
10 SM
Ceiling
FEW 3,000 ft
Temp / Dew
28°C / 22°C
Altimeter
29.90 inHg

Obs: 2026-10-13T02:54:00.000Z

Raw METAR / TAF 
METAR PHOG 130254Z 35014KT 10SM FEW030 28/22 A2990 RMK AO2 SLP131 T02780217 55002 $

TAF PHOG 130258Z 1303/1406 01013KT P6SM FEW035 FEW060 FM130700 06008KT P6SM SCT030 SCT050 FM132000 06015G20KT P6SM FEW035 FM140500 06010KT P6SM FEW030

flight Live Traffic

flight_takeoff 29 Departures
flight_land 20 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
20:23 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
280° / 9 kt
Visibility
10 SM
Ceiling
FEW 2,600 ft
Temp / Dew
15°C / 12°C
Altimeter
29.93 inHg

Obs: 2026-10-13T02:56:00.000Z

Raw METAR / TAF 
METAR KSFO 130256Z 28009KT 10SM FEW026 15/12 A2993 RMK AO2 SLP136 T01500117 53010 $

TAF KSFO 130300Z 1303/1406 28006KT P6SM FEW025 FM131400 08004KT P6SM SKC FM132000 32011KT P6SM SKC FM140400 28007KT P6SM SKC

flight Live Traffic

flight_takeoff 251 Departures
flight_land 251 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 AB5056 OGG → SFO Jul 26, 20:30 UTCJul 26, 21:30 UTC1h 0m - -
2026-07-25 AC033E OGG → SFO Jul 25, 23:05 UTCJul 25, 23:55 UTC50m - -
2026-07-25 AC033E OGG → SFO Jul 25, 19:40 UTCJul 25, 21:20 UTC1h 40m - -
2026-07-24 AC5D61 OGG → SFO Jul 24, 23:05 UTCJul 25, 00:05 UTC1h 0m - -
2026-07-24 AC5D61 OGG → SFO Jul 24, 19:40 UTCJul 24, 21:20 UTC1h 40m - -
2026-07-23 AC55F3 OGG → SFO Jul 23, 23:20 UTCJul 24, 00:15 UTC55m - -
2026-07-23 AC55F3 OGG → SFO Jul 23, 23:11 UTCJul 24, 00:13 UTC1h 2m +12m +7m
2026-07-23 AC55F3 OGG → SFO Jul 23, 19:45 UTCJul 23, 21:20 UTC1h 35m - -
2026-07-22 AAFDA1 STL → ORD Jul 22, 23:10 UTCJul 23, 00:00 UTC50m - -
2026-07-22 AAFDA1 STL → ORD Jul 22, 23:11 UTCJul 22, 23:43 UTC32m +12m -4m
2026-07-22 AAFDA1 DEN → STL Jul 22, 19:45 UTCJul 22, 21:20 UTC1h 35m - -
2026-07-21 AB741E STL → ORD Jul 21, 23:20 UTCJul 22, 00:05 UTC45m - -
2026-07-21 AB741E DEN → STL Jul 21, 19:40 UTCJul 21, 21:20 UTC1h 40m - -
2026-07-20 AAF9EA STL → ORD Jul 20, 23:11 UTCJul 21, 00:24 UTC1h 13m +12m +54m
2026-07-20 AAF9EA STL → ORD Jul 20, 23:10 UTCJul 21, 00:40 UTC1h 30m - -
2026-07-20 AAF9EA DEN → STL Jul 20, 19:35 UTCJul 20, 21:15 UTC1h 40m - -
2026-07-19 A620B7 - Jul 19, 23:20 UTCJul 20, 00:10 UTC50m - -
2026-07-19 A620B7 DEN → STL Jul 19, 20:15 UTCJul 19, 21:55 UTC1h 40m - -
2026-07-19 AB819C STL → ORD Jul 19, 03:05 UTCJul 19, 04:20 UTC1h 15m - -
2026-07-19 AB819C STL → ORD Jul 19, 02:57 UTCJul 19, 04:19 UTC1h 22m +238m +279m
2026-07-18 AB819C DEN → STL Jul 18, 19:40 UTCJul 18, 21:25 UTC1h 45m - -
2026-07-18 AB1DB2 - Jul 18, 01:15 UTCJul 18, 01:25 UTC10m - -
2026-07-18 AB1DB2 STL → ORD Jul 18, 00:11 UTCJul 18, 01:00 UTC49m +72m +80m
2026-07-18 AB1DB2 STL → ORD Jul 18, 00:19 UTCJul 18, 01:25 UTC1h 5m - -
2026-07-17 AB1DB2 DEN → STL Jul 17, 19:35 UTCJul 17, 21:20 UTC1h 45m - -
2026-07-16 AB3A0C STL → ORD Jul 16, 23:15 UTCJul 17, 00:04 UTC50m - -
2026-07-16 AB3A0C DEN → STL Jul 16, 19:45 UTCJul 16, 21:35 UTC1h 50m - -
2026-07-15 A55785 STL → ORD Jul 15, 23:10 UTCJul 15, 23:55 UTC45m - -
2026-07-15 A55785 DEN → STL Jul 15, 19:45 UTCJul 15, 21:25 UTC1h 40m - -
2026-07-14 ABFF87 STL → ORD Jul 14, 23:05 UTCJul 14, 23:55 UTC50m - -

Performance history

Flights tracked
224 showing last 30
Avg arrival delay
+83m
On-time arrival
40% 40% on time
Aircraft used
13

Monthly activity 4 months

Month Flights tracked
July 2026 58
June 2026 67
May 2026 78
April 2026 21

UAL1639 frequently asked

Where does flight UAL1639 fly?
UAL1639 (United Airlines) flies from OGG to SFO. View the full route page.
How long is flight UAL1639?
Based on observed flights, UAL1639 takes on average 1h 12m from takeoff to landing.
How often does UAL1639 fly?
UAL1639 has been observed flying several times a week in our tracking data. We've recorded 224 flights under this callsign.
Is flight UAL1639 usually on time?
Across recent flights, UAL1639 arrives with an average 83-minute delay. 40% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1639?
UAL1639 has been operated by 13 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1639 live?
Yes. When UAL1639 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.