Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

ASA1140

Operated by Alaska Airlines

Live map

Live map filtered to ASA1140. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
07:10 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
150° / 5 kt
Visibility
10 SM
Ceiling
FEW 2,000 ft, BKN 6,000 ft
Temp / Dew
13°C / 9°C
Altimeter
30.13 inHg

Obs: 2026-08-30T13:53:00.000Z

Raw METAR / TAF 
METAR KSEA 301353Z 15005KT 10SM FEW020 BKN060 13/09 A3013 RMK AO2 SLP208 T01280094 $

TAF KSEA 301213Z 3012/3118 19005KT P6SM BKN015 BKN040 FM301900 23005KT P6SM SCT025 OVC035 FM302100 27006KT P6SM BKN070 FM310000 36005KT P6SM SCT100 SCT250 FM310600 02006KT P6SM SCT100 SCT250 FM311500 01005KT 6SM BR VCFG FEW005 SCT015

flight Live Traffic

flight_takeoff 402 Departures
flight_land 389 Arrivals

Arrival

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
07:10 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
220° / 11 kt
Visibility
10 SM
Ceiling
FEW 600 ft, BKN 1,300 ft
Temp / Dew
15°C / 12°C
Altimeter
29.95 inHg

Obs: 2026-08-30T13:56:00.000Z

Raw METAR / TAF 
METAR KSFO 301356Z 22011KT 10SM FEW006 BKN013 15/12 A2995 RMK AO2 SLP142 T01500117 $

TAF KSFO 301131Z 3012/3118 27010KT P6SM FEW009 TEMPO 3012/3015 BKN010 FM301900 27015G25KT P6SM FEW012 FM310400 27010KT P6SM FEW010 FM311000 27008KT P6SM BKN015

flight Live Traffic

flight_takeoff 187 Departures
flight_land 232 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A6235B SEA → SFO Jul 26, 00:15 UTCJul 26, 00:30 UTC15m - -
2026-07-25 A60AB8 SEA → SFO Jul 25, 00:20 UTCJul 25, 00:35 UTC15m - -
2026-07-24 A6147F SEA → SFO Jul 24, 00:25 UTCJul 24, 00:40 UTC15m - -
2026-07-23 A5D814 SEA → SFO Jul 23, 00:20 UTCJul 23, 00:35 UTC15m - -
2026-07-22 A5F825 - Jul 22, 00:20 UTCJul 22, 00:35 UTC15m - -
2026-07-21 A61BED - Jul 21, 01:15 UTCJul 21, 01:30 UTC15m - -
2026-07-20 A60701 - Jul 20, 00:25 UTCJul 20, 00:40 UTC15m - -
2026-07-19 A61BED - Jul 19, 00:15 UTCJul 19, 00:30 UTC15m - -
2026-07-18 A61BED - Jul 18, 01:20 UTCJul 18, 01:39 UTC20m - -
2026-07-17 A6235B - Jul 17, 00:35 UTCJul 17, 00:50 UTC15m - -
2026-07-16 A61FA4 - Jul 16, 00:35 UTCJul 16, 00:50 UTC15m - -
2026-07-15 A61BED - Jul 15, 00:25 UTCJul 15, 00:45 UTC20m - -
2026-07-14 A5D814 - Jul 14, 00:15 UTCJul 14, 00:30 UTC15m - -
2026-07-13 A5DBCB - Jul 13, 00:15 UTCJul 13, 00:30 UTC15m - -
2026-07-12 A5FF93 - Jul 12, 00:15 UTCJul 12, 00:30 UTC15m - -
2026-07-11 A5DBCB - Jul 11, 00:15 UTCJul 11, 00:30 UTC15m - -
2026-07-10 A60AB8 - Jul 10, 00:45 UTCJul 10, 01:00 UTC15m - -
2026-07-09 A61836 - Jul 9, 00:20 UTCJul 9, 00:35 UTC15m - -
2026-07-08 A61836 - Jul 8, 00:25 UTCJul 8, 00:40 UTC15m - -
2026-07-07 A60AB8 - Jul 7, 00:30 UTCJul 7, 00:45 UTC15m - -
2026-07-06 A5E339 - Jul 6, 00:15 UTCJul 6, 00:30 UTC15m - -
2026-07-05 A5FBDC - Jul 5, 00:00 UTCJul 5, 00:20 UTC20m - -
2026-07-04 A60AB8 - Jul 4, 00:25 UTCJul 4, 00:40 UTC15m - -
2026-07-03 A5E949 HNM → KOA Jul 3, 00:40 UTCJul 3, 00:55 UTC15m - -
2026-07-02 A6034A - Jul 2, 00:20 UTCJul 2, 00:35 UTC15m - -
2026-07-01 A5D814 - Jul 1, 00:30 UTCJul 1, 00:45 UTC15m - -
2026-06-30 A60AB8 - Jun 30, 00:35 UTCJun 30, 00:49 UTC15m - -
2026-06-29 A5DBCB - Jun 29, 00:14 UTCJun 29, 00:29 UTC15m - -
2026-06-28 A5E949 - Jun 28, 00:09 UTCJun 28, 00:30 UTC20m - -
2026-06-27 A5FBDC - Jun 27, 00:34 UTCJun 27, 00:50 UTC15m - -

Performance history

Flights tracked
100 showing last 30
Avg arrival delay
-
On-time arrival
-
Aircraft used
15

Monthly activity 4 months

Month Flights tracked
July 2026 26
June 2026 30
May 2026 28
April 2026 16

ASA1140 frequently asked

Where does flight ASA1140 fly?
ASA1140 (Alaska Airlines) flies from SEA to SFO. View the full route page.
How long is flight ASA1140?
Based on observed flights, ASA1140 takes on average 16m from takeoff to landing.
How often does ASA1140 fly?
ASA1140 has been observed flying daily in our tracking data. We've recorded 100 flights under this callsign.
What aircraft operates flight ASA1140?
ASA1140 has been operated by 15 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA1140 live?
Yes. When ASA1140 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.