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
05:47 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
300° / 5 kt
Visibility
10 SM
Ceiling
FEW 2,000 ft, FEW 9,000 ft
Temp / Dew
11°C / 7°C
Altimeter
29.84 inHg

Obs: 2026-10-12T11:56:00.000Z

Raw METAR / TAF 
METAR KSFO 121156Z 30005KT 10SM FEW020 FEW090 11/07 A2984 RMK AO2 SLP103 T01110067 10139 20106 53013 $

TAF KSFO 121120Z 1212/1318 26004KT P6SM FEW020 FEW090 FM122200 28012KT P6SM SKC FM130300 28006KT P6SM SKC

flight Live Traffic

flight_takeoff 115 Departures
flight_land 177 Arrivals

Arrival

LAS KLAS VFR

Harry Reid International Airport

Las Vegas, US

Local time
05:47 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
2,181 ft
Coordinates
36.0834, -115.1518

cloud Weather

Wind
VRB / 4 kt
Visibility
10 SM
Ceiling
FEW 8,000 ft, BKN 10,000 ft
Temp / Dew
17°C / 11°C
Altimeter
29.77 inHg

Obs: 2026-10-12T11:56:00.000Z

Raw METAR / TAF 
METAR KLAS 121156Z VRB04KT 10SM FEW080 BKN100 17/11 A2977 RMK AO2 SLP064 70022 T01720106 10200 20172 56004 $

TAF KLAS 121124Z 1212/1318 16008KT P6SM VCSH FEW080 BKN100 FM121500 19009G17KT P6SM VCSH SCT070 BKN100 FM121800 21015G25KT P6SM VCSH SCT070 BKN120 FM130400 23008KT P6SM FEW080 SCT100 FM131500 34010G18KT P6SM FEW080 SCT100

flight Live Traffic

flight_takeoff 164 Departures
flight_land 208 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.