Apparatus

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flight_takeoff Flight

ASA121

Operated by Alaska Airlines

Live map

Live map filtered to ASA121. Shown when the flight is currently airborne.

Route airports View route page →

Departure

LAS KLAS VFR

Harry Reid International Airport

Las Vegas, US

Local time
16:49 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
2,181 ft
Coordinates
36.0834, -115.1518

cloud Weather

Wind
60° / 8 kt
Visibility
10 SM
Ceiling
FEW 13,000 ft, BKN 20,000 ft, BKN 25,000 ft
Temp / Dew
29°C / -12°C
Altimeter
29.87 inHg

Obs: 2026-04-19T22:56:00.000Z

Raw METAR / TAF 
METAR KLAS 192256Z 06008KT 10SM FEW130 BKN200 BKN250 29/M12 A2987 RMK AO2 SLP096 T02891122

TAF KLAS 192320Z 2000/2106 VRB05KT P6SM FEW150 BKN250 FM200300 22006KT P6SM SCT250 FM201300 VRB06KT P6SM FEW250 FM201700 12010KT P6SM FEW250 FM201900 14010G16KT P6SM FEW250 FM202200 19014G22KT P6SM SCT250 FM210300 20010KT P6SM SCT250

warning FAA Advisories

  • Closed: !LAS 01/129 LAS AD AP CLSD TO NON SKED TRANSIENT GA ACFT EXC 24HR PPR 702-261-7775 2601271912-2604292300 (Jan 27 at 19:12 UTC. – Apr 29 at 23:00 UTC.)

flight Live Traffic

flight_takeoff 330 Departures
flight_land 318 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
16:49 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
250° / 14G19 kt
Visibility
10 SM
Ceiling
FEW 1,500 ft, SCT 18,000 ft, BKN 20,000 ft
Temp / Dew
21°C / -5°C
Altimeter
29.83 inHg

Obs: 2026-04-19T22:56:00.000Z

Raw METAR / TAF 
METAR KSFO 192256Z 25014G19KT 10SM FEW015 SCT180 BKN200 21/M05 A2983 RMK AO2 SLP102 T02111050 $

TAF KSFO 192324Z 2000/2106 25012KT P6SM FEW015 SCT150 FM200500 16007KT P6SM BKN150 FM201900 22012KT 6SM -RA SCT015 BKN040

warning FAA Advisories

  • Ground Delay: other (avg 25 minutes)

flight Live Traffic

flight_takeoff 251 Departures
flight_land 286 Arrivals

Recent history last 11

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-19 ACFBFD LAS → SFO Apr 19, 14:15 UTCApr 19, 15:15 UTC1h 0m - -
2026-04-19 ACFBFD LAS → SFO Apr 19, 14:20 UTCApr 19, 16:11 UTC1h 51m +20m +20m
2026-04-18 A735D7 LAS → SFO Apr 18, 14:20 UTCApr 18, 16:10 UTC1h 50m - -
2026-04-17 A97251 LAS → SFO Apr 17, 15:20 UTCApr 17, 16:00 UTC40m - -
2026-04-17 A97251 LAS → SFO Apr 17, 14:11 UTCApr 17, 15:52 UTC1h 41m +11m +10m
2026-04-16 AD2733 LAS → SFO Apr 16, 15:15 UTCApr 16, 16:10 UTC55m - -
2026-04-16 AD2733 LAS → SFO Apr 16, 14:21 UTCApr 16, 16:02 UTC1h 41m +21m +1m
2026-04-15 A24A0A LAS → SFO Apr 15, 15:05 UTCApr 15, 16:15 UTC1h 10m - -
2026-04-15 A24A0A LAS → SFO Apr 15, 14:15 UTCApr 15, 14:55 UTC39m - -
2026-04-14 AD438D LAS → SFO Apr 14, 14:50 UTCApr 14, 16:00 UTC1h 10m - -
2026-04-14 AD438D LAS → SFO Apr 14, 14:10 UTCApr 14, 14:45 UTC35m - -

Performance history

Flights tracked
11
Avg arrival delay
+10m
On-time arrival
67% 67% on time
Aircraft used
6

Monthly activity 1 month

Month Flights tracked
April 2026 11

ASA121 frequently asked

Where does flight ASA121 fly?
ASA121 (Alaska Airlines) flies from LAS to SFO. View the full route page.
How long is flight ASA121?
Based on observed flights, ASA121 takes on average 1h 12m from takeoff to landing.
How often does ASA121 fly?
ASA121 has been observed flying several times a week in our tracking data. We've recorded 11 flights under this callsign.
Is flight ASA121 usually on time?
Across recent flights, ASA121 arrives with an average 10-minute delay. 67% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA121?
ASA121 has been operated by 6 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA121 live?
Yes. When ASA121 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.