Apparatus

Try JFK, AAL1290, BAW, or N225AN.

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
18:45 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 2,600 ft
Temp / Dew
18°C / 9°C
Altimeter
29.90 inHg

Obs: 2026-10-13T00:56:00.000Z

Raw METAR / TAF 
METAR KSFO 130056Z 27010KT 10SM FEW026 18/09 A2990 RMK AO2 SLP126 T01830089 $

TAF KSFO 122320Z 1300/1406 28012KT P6SM SKC FM130300 28006KT P6SM SKC FM131400 08004KT P6SM SKC FM132000 32011KT P6SM SKC FM140400 28007KT P6SM SKC

flight Live Traffic

flight_takeoff 232 Departures
flight_land 258 Arrivals

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
19:45 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
190° / 14 kt
Visibility
10 SM
Ceiling
FEW 13,000 ft
Temp / Dew
22°C / 0°C
Altimeter
29.80 inHg

Obs: 2026-10-13T00:53:00.000Z

Raw METAR / TAF 
METAR KDEN 130053Z 19014KT 10SM FEW130 22/00 A2980 RMK AO2 PK WND 19026/0019 SLP020 T02220000

TAF KDEN 122339Z 1300/1406 20014G22KT P6SM FEW090 FEW130 FM130300 23010G20KT P6SM FEW120 FM130500 30010KT P6SM FEW020 SCT040 FM131100 01006KT P6SM BKN010 BKN030 TEMPO 1312/1315 5SM BR BKN005 FM131700 04007KT P6SM SCT020 BKN040 FM132000 07010G20KT P6SM FEW040 SCT100 FM140200 05009KT P6SM VCSH SCT050

warning FAA Advisories

  • Ground Delay: runway construction (avg 56 minutes)

flight Live Traffic

flight_takeoff 337 Departures
flight_land 300 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.