Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3936

Operated by United Airlines

Live map

Live map filtered to UAL3936. Shown when the flight is currently airborne.

Route airports View route page →

Departure

DEN KDEN IFR

Denver International Airport

Denver, US

Local time
06:39 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
50° / 8 kt
Visibility
10 SM
Ceiling
OVC 700 ft
Temp / Dew
10°C / 8°C
Altimeter
29.96 inHg

Obs: 2026-10-13T11:53:00.000Z

Raw METAR / TAF 
METAR KDEN 131153Z 05008KT 10SM OVC007 10/08 A2996 RMK AO2 SLP080 T01000083 10122 20100 53008

TAF KDEN 131133Z 1312/1418 04009KT P6SM BKN010 TEMPO 1312/1315 5SM BR BKN006 FM131700 06007KT P6SM SCT020 BKN040 FM132000 04011KT P6SM SCT050 SCT100 PROB30 1400/1406 -SHRA BKN050 FM140600 09010KT P6SM BKN015 BKN050 PROB30 1406/1412 -SHRA FM141200 10010KT P6SM VCSH BKN010

flight Live Traffic

flight_takeoff 153 Departures
flight_land 248 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
05:39 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
220° / 3 kt
Visibility
10 SM
Ceiling
FEW 900 ft
Temp / Dew
11°C / 8°C
Altimeter
30.01 inHg

Obs: 2026-10-13T11:56:00.000Z

Raw METAR / TAF 
METAR KSFO 131156Z 22003KT 10SM FEW009 11/08 A3001 RMK AO2 SLP163 T01060083 10139 20106 51009 $

TAF KSFO 131120Z 1312/1418 VRB05KT P6SM FEW009 FM132000 32012KT P6SM SKC FM140400 28006KT P6SM SKC

flight Live Traffic

flight_takeoff 114 Departures
flight_land 137 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-24 ABBBAE DEN → SFO Jul 24, 20:15 UTCJul 24, 20:50 UTC35m - -
2026-07-24 ABBBAE DEN → SFO Jul 24, 20:00 UTCJul 24, 20:50 UTC50m +45m +63m
2026-07-22 A0A900 - Jul 22, 14:50 UTCJul 22, 18:20 UTC3h 30m - -
2026-07-22 A0A900 LAX → ORD Jul 22, 15:04 UTCJul 22, 18:08 UTC3h 4m +19m on time
2026-07-21 A28DC8 - Jul 21, 07:00 UTCJul 21, 07:30 UTC30m - -
2026-07-18 A3C3E6 ORD → LAX Jul 18, 19:31 UTCJul 18, 22:21 UTC2h 50m +271m -7m
2026-07-18 A3C3E6 - Jul 18, 18:50 UTCJul 18, 22:10 UTC3h 20m - -
2026-07-14 A55FA2 - Jul 14, 17:10 UTCJul 14, 19:05 UTC1h 55m - -
2026-07-02 A2B134 YVR → SFO Jul 2, 20:25 UTCJul 2, 22:15 UTC1h 50m - -
2026-06-29 A3A082 - Jun 29, 07:50 UTCJun 29, 08:35 UTC45m - -
2026-06-24 A2A3B5 DEN → SFO Jun 24, 02:40 UTCJun 24, 04:34 UTC1h 55m - -
2026-06-24 A2A3B5 DEN → SFO Jun 24, 02:18 UTCJun 24, 04:36 UTC2h 18m +3m -25m
2026-06-19 A44212 DEN → SFO Jun 19, 23:54 UTCJun 20, 02:19 UTC2h 25m - -
2026-06-19 A44212 DEN → SFO Jun 19, 23:29 UTCJun 20, 02:13 UTC2h 44m +569m -21m
2026-06-19 A44211 DEN → SFO Jun 19, 14:29 UTCJun 19, 14:54 UTC25m - -
2026-06-16 A46CE1 DEN → SFO Jun 16, 01:40 UTCJun 16, 03:39 UTC2h 0m - -
2026-06-13 AA1368 DEN → SFO Jun 13, 23:15 UTCJun 14, 00:05 UTC50m - -
2026-06-13 AA1368 DEN → SFO Jun 13, 22:28 UTCJun 14, 00:03 UTC1h 35m +88m -42m
2026-06-12 A0A8DF DEN → SFO Jun 12, 13:55 UTCJun 12, 21:45 UTC7h 50m - -
2026-06-12 A0A8DF DEN → SFO Jun 12, 13:17 UTCJun 12, 21:22 UTC8h 5m +17m -1m
2026-06-12 AB1DB2 DEN → SFO Jun 12, 00:30 UTCJun 12, 02:35 UTC2h 5m - -
2026-06-11 AB1DB2 DEN → SFO Jun 11, 23:44 UTCJun 12, 02:32 UTC2h 48m +14m -31m
2026-06-10 A55017 DEN → SFO Jun 10, 14:10 UTCJun 10, 16:55 UTC2h 45m - -
2026-06-10 A55017 DEN → SFO Jun 10, 13:58 UTCJun 10, 16:54 UTC2h 56m +88m -18m
2026-06-06 A54299 DEN → SFO Jun 6, 14:04 UTCJun 6, 16:14 UTC2h 10m - -
2026-06-05 A54299 DEN → SFO Jun 5, 16:20 UTCJun 6, 16:14 UTC23h 55m - -
2026-06-02 A58DE0 DEN → SFO Jun 2, 14:30 UTCJun 2, 16:00 UTC1h 30m - -
2026-05-30 A0E6C6 DEN → SFO May 30, 18:55 UTCMay 30, 20:05 UTC1h 10m - -
2026-05-30 A0E6C6 DEN → SFO May 30, 18:50 UTCMay 30, 19:37 UTC47m -10m -3m
2026-05-27 A0B848 DEN → SFO May 27, 14:20 UTCMay 27, 19:55 UTC5h 35m - -

Performance history

Flights tracked
42 showing last 30
Avg arrival delay
-8m
On-time arrival
90% 90% on time
Aircraft used
19

Monthly activity 4 months

Month Flights tracked
July 2026 9
June 2026 18
May 2026 8
April 2026 7

UAL3936 frequently asked

Where does flight UAL3936 fly?
UAL3936 (United Airlines) flies from DEN to SFO. View the full route page.
How long is flight UAL3936?
Based on observed flights, UAL3936 takes on average 3h 10m from takeoff to landing.
How often does UAL3936 fly?
UAL3936 has been observed flying several times a week in our tracking data. We've recorded 42 flights under this callsign.
Is flight UAL3936 usually on time?
Across recent flights, UAL3936 arrives 8 minutes early on average. 90% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL3936?
UAL3936 has been operated by 19 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL3936 live?
Yes. When UAL3936 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.