Apparatus

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flight_takeoff Flight

UAL340

Operated by United Airlines

Live map

Live map filtered to UAL340. 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
13:55 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 10 kt
Visibility
10 SM
Ceiling
FEW 600 ft, SCT 1,000 ft, BKN 11,000 ft, OVC 20,000 ft
Temp / Dew
16°C / 13°C
Altimeter
30.04 inHg

Obs: 2026-08-28T19:56:00.000Z

Raw METAR / TAF 
METAR KSFO 281956Z 27010KT 10SM FEW006 SCT010 BKN110 OVC200 16/13 A3004 RMK AO2 SLP173 T01610133

TAF KSFO 282047Z 2821/2924 28016KT P6SM VCSH SCT010 BKN100 FM290600 28012KT P6SM FEW012 FM291000 29008KT P6SM SCT012 FM291800 29015KT P6SM FEW015

flight Live Traffic

flight_takeoff 153 Departures
flight_land 157 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
14:55 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
220° / 5 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft, SCT 14,000 ft, BKN 22,000 ft
Temp / Dew
32°C / 4°C
Altimeter
30.12 inHg

Obs: 2026-08-28T19:53:00.000Z

Raw METAR / TAF 
METAR KDEN 281953Z 22005KT 10SM FEW100 SCT140 BKN220 33/04 A3012 RMK AO2 SLP110 T032330039

TAF KDEN 281722Z 2818/2924 26006KT P6SM FEW100 SCT150 FM282100 33008KT P6SM FEW100 SCT120 TEMPO 2821/2824 VRB15G35KT -SHRA BKN080 FM290000 01009KT P6SM FEW100 BKN120 PROB30 2900/2902 VRB15G35KT -SHRA BKN080 FM290200 16006KT P6SM SCT120 BKN220 FM290500 22009KT P6SM FEW120 SCT220 FM291600 25007KT P6SM FEW110 SCT200 FM291900 25010KT P6SM VCSH SCT100 BKN150 PROB30 2920/2924 VRB20G35KT -TSRA BKN080CB

warning FAA Advisories

  • Ground Delay: thunderstorms (avg 21 minutes)

flight Live Traffic

flight_takeoff 300 Departures
flight_land 290 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A5CF66 SFO → DEN Jul 26, 13:05 UTCJul 26, 16:05 UTC3h 0m - -
2026-07-25 ABFF87 SFO → DEN Jul 25, 12:50 UTCJul 25, 15:30 UTC2h 40m - -
2026-07-24 AC2706 SFO → DEN Jul 24, 11:40 UTCJul 24, 14:30 UTC2h 50m - -
2026-07-23 A61D00 SFO → DEN Jul 23, 11:45 UTCJul 23, 14:25 UTC2h 40m - -
2026-07-22 AB5A1D SFO → DEN Jul 22, 11:40 UTCJul 22, 14:20 UTC2h 40m - -
2026-07-21 A609D4 SFO → DEN Jul 21, 11:40 UTCJul 21, 14:20 UTC2h 40m - -
2026-07-20 A61592 SFO → DEN Jul 20, 11:50 UTCJul 20, 14:20 UTC2h 30m - -
2026-07-19 A44166 SFO → DEN Jul 19, 12:40 UTCJul 19, 15:45 UTC3h 5m - -
2026-07-18 AB7067 SFO → DEN Jul 18, 13:05 UTCJul 18, 15:35 UTC2h 30m - -
2026-07-17 AB4531 SFO → DEN Jul 17, 11:50 UTCJul 17, 14:20 UTC2h 30m - -
2026-07-16 AC59AA ATL → DEN Jul 16, 11:50 UTCJul 16, 14:25 UTC2h 35m - -
2026-07-16 AC59AA ATL → DEN Jul 16, 11:44 UTCJul 16, 14:20 UTC2h 36m +14m on time
2026-07-15 A59F15 ATL → DEN Jul 15, 11:55 UTCJul 15, 14:25 UTC2h 30m - -
2026-07-14 AB3A0C ATL → DEN Jul 14, 11:40 UTCJul 14, 14:15 UTC2h 35m - -
2026-07-13 ABA30B ATL → DEN Jul 13, 11:45 UTCJul 13, 14:20 UTC2h 35m - -
2026-07-13 ABA30B ATL → DEN Jul 13, 11:44 UTCJul 13, 14:16 UTC2h 32m +14m -12m
2026-07-12 A127BB - Jul 12, 12:40 UTCJul 12, 15:45 UTC3h 5m - -
2026-07-12 A127BB SAT → SFO Jul 12, 12:46 UTCJul 12, 15:45 UTC2h 59m +16m +12m
2026-07-11 AB9078 ATL → DEN Jul 11, 12:55 UTCJul 11, 15:35 UTC2h 40m - -
2026-07-10 AC2706 ATL → DEN Jul 10, 12:00 UTCJul 10, 14:40 UTC2h 40m - -
2026-07-09 ABA30B ATL → DEN Jul 9, 11:50 UTCJul 9, 14:25 UTC2h 35m - -
2026-07-08 ABFBD0 ATL → DEN Jul 8, 11:50 UTCJul 8, 14:30 UTC2h 40m - -
2026-07-07 ABB7F7 ATL → DEN Jul 7, 12:05 UTCJul 7, 14:45 UTC2h 40m - -
2026-07-07 ABB7F7 ATL → DEN Jul 7, 11:44 UTCJul 7, 14:40 UTC2h 56m +14m -17m
2026-07-06 AC234F ATL → DEN Jul 6, 12:20 UTCJul 6, 14:55 UTC2h 35m - -
2026-07-05 A5CF41 - Jul 5, 12:15 UTCJul 5, 15:25 UTC3h 10m - -
2026-07-04 AB819C ATL → DEN Jul 4, 13:00 UTCJul 4, 15:40 UTC2h 40m - -
2026-07-03 AB8CC1 ATL → DEN Jul 3, 11:40 UTCJul 3, 14:20 UTC2h 40m - -
2026-07-02 AC4107 ATL → DEN Jul 2, 11:45 UTCJul 2, 14:30 UTC2h 45m - -
2026-07-01 ABB440 ATL → DEN Jul 1, 11:50 UTCJul 1, 14:35 UTC2h 45m - -

Performance history

Flights tracked
157 showing last 30
Avg arrival delay
-4m
On-time arrival
100% 100% on time
Aircraft used
24

Monthly activity 4 months

Month Flights tracked
July 2026 30
June 2026 59
May 2026 40
April 2026 28

UAL340 frequently asked

Where does flight UAL340 fly?
UAL340 (United Airlines) flies from SFO to DEN. View the full route page.
How long is flight UAL340?
Based on observed flights, UAL340 takes on average 2h 43m from takeoff to landing.
How often does UAL340 fly?
UAL340 has been observed flying daily in our tracking data. We've recorded 157 flights under this callsign.
Is flight UAL340 usually on time?
Across recent flights, UAL340 arrives 4 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL340?
UAL340 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL340 live?
Yes. When UAL340 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.