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 MVFR

San Francisco International Airport

San Francisco, US

Local time
00:31 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
OVC 1,000 ft
Temp / Dew
13°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-05-30T06:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300656Z 27010KT 10SM OVC010 13/11 A3011 RMK AO2 SLP195 T01280106

TAF KSFO 300520Z 3006/3112 26009KT P6SM OVC008 FM301000 27006KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 235 Departures
flight_land 165 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
01:31 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
260° / 8 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft, FEW 20,000 ft
Temp / Dew
14°C / 8°C
Altimeter
29.80 inHg

Obs: 2026-05-30T06:53:00.000Z

Raw METAR / TAF 
METAR KDEN 300653Z 26008KT 10SM FEW100 FEW200 14/08 A2980 RMK AO2 SLP015 T01390078 402830128

TAF KDEN 300538Z 3006/3112 VRB06KT P6SM FEW100 SCT200 FM300900 25006KT P6SM FEW100 SCT200 FM301400 28009KT P6SM SCT180 FM302100 33010KT P6SM VCSH SCT100 PROB30 3021/3101 VRB15G25KT -SHRA FM310300 27013KT P6SM FEW080 SCT100 FM310700 23011KT P6SM FEW100 SCT200

flight Live Traffic

flight_takeoff 163 Departures
flight_land 138 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A53B2B SFO → DEN May 29, 18:50 UTCMay 29, 21:05 UTC2h 15m - -
2026-05-29 A53B2B SFO → DEN May 29, 18:45 UTCMay 29, 20:47 UTC2h 2m +11m +2m
2026-05-28 AC59AA SFO → DEN May 28, 18:35 UTCMay 28, 20:55 UTC2h 20m - -
2026-05-27 AC59AA SFO → DEN May 27, 19:25 UTCMay 27, 21:45 UTC2h 20m - -
2026-05-27 AC59AA SFO → DEN May 27, 18:45 UTCMay 27, 21:26 UTC2h 41m +11m -52m
2026-05-26 AC4107 SFO → DEN May 26, 18:50 UTCMay 26, 19:45 UTC55m - -
2026-05-26 AC4107 SFO → DEN May 26, 18:45 UTCMay 26, 20:51 UTC2h 6m +11m -1m
2026-05-25 AC15D1 SFO → DEN May 25, 19:00 UTCMay 25, 21:30 UTC2h 29m - -
2026-05-25 AC15D1 SFO → DEN May 25, 18:45 UTCMay 25, 21:15 UTC2h 30m +11m +7m
2026-05-24 AB890A SFO → DEN May 24, 20:20 UTCMay 24, 21:51 UTC1h 31m - -
2026-05-23 AB890A SFO → DEN May 23, 18:55 UTCMay 23, 21:20 UTC2h 25m - -
2026-05-22 AB1DB2 SFO → DEN May 22, 18:55 UTCMay 22, 21:10 UTC2h 15m - -
2026-05-21 A3D326 SFO → DEN May 21, 19:05 UTCMay 21, 21:20 UTC2h 15m - -
2026-05-21 A3D326 SFO → DEN May 21, 18:56 UTCMay 21, 21:03 UTC2h 7m +22m -6m
2026-05-20 A8856D SFO → DEN May 20, 13:21 UTCMay 20, 16:01 UTC2h 40m +21m +13m
2026-05-20 A8856D SFO → DEN May 20, 13:15 UTCMay 20, 16:00 UTC2h 45m - -
2026-05-19 A2B12E SFO → DEN May 19, 13:15 UTCMay 19, 16:15 UTC3h 0m - -
2026-05-18 A12798 SFO → DEN May 18, 13:15 UTCMay 18, 16:05 UTC2h 50m - -
2026-05-17 A923CF SFO → DEN May 17, 13:05 UTCMay 17, 15:50 UTC2h 45m - -
2026-05-16 A12758 SFO → DEN May 16, 13:15 UTCMay 16, 16:00 UTC2h 45m - -
2026-05-15 A123E3 SFO → DEN May 15, 13:10 UTCMay 15, 15:55 UTC2h 44m - -
2026-05-14 A126E6 SFO → DEN May 14, 13:20 UTCMay 14, 16:05 UTC2h 45m - -
2026-05-13 A83787 SFO → DEN May 13, 13:05 UTCMay 13, 15:55 UTC2h 50m - -
2026-05-12 A126EB SFO → DEN May 12, 13:20 UTCMay 12, 16:10 UTC2h 50m - -
2026-05-11 A43EC9 SFO → DEN May 11, 13:21 UTCMay 11, 16:12 UTC2h 51m +21m +1m
2026-05-11 A43EC9 SFO → DEN May 11, 13:15 UTCMay 11, 16:15 UTC3h 0m - -
2026-05-10 A94B2B SFO → DEN May 10, 13:19 UTCMay 10, 16:10 UTC2h 50m - -
2026-05-09 A12755 SFO → DEN May 9, 13:21 UTCMay 9, 15:58 UTC2h 37m +21m +7m
2026-05-09 A12755 SFO → DEN May 9, 13:10 UTCMay 9, 16:00 UTC2h 50m - -
2026-05-08 A5CFA5 SFO → DEN May 8, 13:20 UTCMay 8, 16:25 UTC3h 5m - -

Performance history

Flights tracked
66 showing last 30
Avg arrival delay
-4m
On-time arrival
100% 100% on time
Aircraft used
20

Monthly activity 2 months

Month Flights tracked
May 2026 38
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 31m from takeoff to landing.
How often does UAL340 fly?
UAL340 has been observed flying several times a week in our tracking data. We've recorded 66 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 20 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.