Apparatus

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flight_takeoff Flight

UAL3931

Live map

Live map filtered to UAL3931. 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
21:38 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 13 kt
Visibility
10 SM
Ceiling
FEW 2,800 ft
Temp / Dew
12°C / 7°C
Altimeter
30.14 inHg

Obs: 2026-04-15T03:56:00.000Z

Raw METAR / TAF 
METAR KSFO 150356Z 29013KT 10SM FEW028 12/07 A3014 RMK AO2 SLP207 T01220072 $

TAF KSFO 150307Z 1503/1606 28015KT P6SM SCT025 FM150800 27011KT P6SM SCT025 BKN150 FM151800 27018KT P6SM BKN150

flight Live Traffic

flight_takeoff 196 Departures
flight_land 206 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
22:38 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
360° / 10 kt
Visibility
10 SM
Ceiling
FEW 14,000 ft, SCT 22,000 ft
Temp / Dew
6°C / -1°C
Altimeter
29.90 inHg

Obs: 2026-04-15T03:53:00.000Z

Raw METAR / TAF 
METAR KDEN 150353Z 36010KT 10SM FEW140 SCT220 06/M01 A2990 RMK AO2 SLP093 T00561006

TAF KDEN 150258Z 1503/1606 34011KT P6SM SCT100 FM150600 21007KT P6SM SCT200 FM151400 27007KT P6SM SCT200 FM152100 31008KT P6SM SCT200 FM160300 23007KT P6SM SCT200

flight Live Traffic

flight_takeoff 643 Departures
flight_land 564 Arrivals

Recent history last 1

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-13 AA8A07 SFO → DEN Apr 13, 13:49 UTCApr 13, 16:03 UTC2h 14m +19m +8m

Performance history

Flights tracked
1
Avg arrival delay
+8m
On-time arrival
100% 100% on time
Aircraft used
1

Monthly activity 1 month

Month Flights tracked
April 2026 1

UAL3931 frequently asked

Where does flight UAL3931 fly?
UAL3931 flies from SFO to DEN. View the full route page.
How long is flight UAL3931?
Based on observed flights, UAL3931 takes on average 2h 14m from takeoff to landing.
How often does UAL3931 fly?
UAL3931 has been observed flying rarely in our tracking data. We've recorded 1 flight under this callsign.
Is flight UAL3931 usually on time?
Across recent flights, UAL3931 arrives with an average 8-minute delay. 100% of flights arrive within 15 minutes of schedule.
Can I track UAL3931 live?
Yes. When UAL3931 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.