Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL400L

Operated by United Airlines

Live map

Live map filtered to UAL400L. 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
01:07 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
300° / 13 kt
Visibility
10 SM
Ceiling
FEW 400 ft, BKN 20,000 ft
Temp / Dew
16°C / 13°C
Altimeter
29.95 inHg

Obs: 2026-08-28T07:56:00.000Z

Raw METAR / TAF 
METAR KSFO 280756Z 30013KT 10SM FEW004 BKN200 16/13 A2995 RMK AO2 SLP142 T01560133 402280144 $

TAF KSFO 280520Z 2806/2912 29008KT P6SM BKN150 FM281100 30008KT P6SM VCSH BKN050 OVC100 FM282000 29014KT P6SM VCSH BKN050 OVC100 FM290300 29010KT P6SM SCT010 BKN120 FM291000 29007KT P6SM BKN010

flight Live Traffic

flight_takeoff 185 Departures
flight_land 111 Arrivals

Arrival

LAS KLAS VFR

Harry Reid International Airport

Las Vegas, US

Local time
01:07 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
2,181 ft
Coordinates
36.0834, -115.1518

cloud Weather

Wind
250° / 5 kt
Visibility
10 SM
Ceiling
SCT 18,000 ft, BKN 24,000 ft
Temp / Dew
36°C / 7°C
Altimeter
29.91 inHg

Obs: 2026-08-28T07:56:00.000Z

Raw METAR / TAF 
METAR KLAS 280756Z 25005KT 10SM SCT180 BKN240 36/07 A2991 RMK AO2 SLP091 T03560072 404390333

TAF KLAS 280520Z 2806/2912 23008KT P6SM FEW120 BKN200 FM280900 18006KT P6SM FEW150 BKN200 FM281400 VRB05KT P6SM FEW150 SCT250 FM281900 22012G22KT P6SM VCTS SCT120CB SCT200 FM290300 23009KT P6SM FEW120 SCT200

flight Live Traffic

flight_takeoff 120 Departures
flight_land 91 Arrivals

Recent history last 1

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-19 A2B135 SFO → LAS Jul 19, 03:00 UTCJul 19, 08:05 UTC5h 5m - -

Performance history

Flights tracked
1
Avg arrival delay
-
On-time arrival
-
Aircraft used
1

Monthly activity 1 month

Month Flights tracked
July 2026 1

UAL400L frequently asked

Where does flight UAL400L fly?
UAL400L (United Airlines) flies from SFO to LAS. View the full route page.
How long is flight UAL400L?
Based on observed flights, UAL400L takes on average 5h 5m from takeoff to landing.
How often does UAL400L fly?
UAL400L has been observed flying rarely in our tracking data. We've recorded 1 flight under this callsign.
Can I track UAL400L live?
Yes. When UAL400L 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.