Apparatus

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flight_takeoff Flight

ASA311

Operated by Alaska Airlines

Live map

Live map filtered to ASA311. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
00:02 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
220° / 7 kt
Visibility
10 SM
Ceiling
FEW 4,800 ft, SCT 5,500 ft
Temp / Dew
14°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-08-30T06:53:00.000Z

Raw METAR / TAF 
METAR KSEA 300653Z 22007KT 10SM FEW048 SCT055 14/11 A3011 RMK AO2 SLP201 T01440106 $

TAF KSEA 300520Z 3006/3112 22008KT P6SM SCT070 SCT090 FM300900 19005KT P6SM OVC050 FM301500 21006KT P6SM BKN025 OVC035 FM301900 23005KT P6SM SCT025 OVC035 FM302100 27006KT P6SM BKN070 FM310000 01005KT P6SM SCT100 FM310300 36007KT P6SM SCT100

flight Live Traffic

flight_takeoff 133 Departures
flight_land 90 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
00:02 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 11 kt
Visibility
10 SM
Ceiling
FEW 1,000 ft
Temp / Dew
16°C / 11°C
Altimeter
29.94 inHg

Obs: 2026-08-30T06:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300656Z 27011KT 10SM FEW010 16/11 A2994 RMK AO2 SLP140 T01560111 $

TAF KSFO 300520Z 3006/3112 28016G25KT P6SM SKC FM300700 28010KT P6SM FEW009 TEMPO 3011/3015 BKN009 FM301900 27015G25KT P6SM FEW012 FM310400 27010KT P6SM FEW010 FM311000 27008KT P6SM BKN010

flight Live Traffic

flight_takeoff 100 Departures
flight_land 57 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 ACDBEC SEA → SFO Jul 26, 10:15 UTCJul 26, 16:05 UTC5h 50m - -
2026-07-25 A9AB05 SEA → SFO Jul 25, 10:25 UTCJul 25, 16:10 UTC5h 45m - -
2026-07-24 A2D573 SEA → SFO Jul 24, 10:30 UTCJul 24, 16:30 UTC6h 0m - -
2026-07-23 AD727A SEA → SFO Jul 23, 10:45 UTCJul 23, 16:25 UTC5h 40m - -
2026-07-22 A98386 SEA → SFO Jul 22, 11:30 UTCJul 22, 16:15 UTC4h 45m - -
2026-07-21 A5A888 SEA → SFO Jul 21, 10:40 UTCJul 21, 16:20 UTC5h 40m - -
2026-07-20 A726FB SEA → SFO Jul 20, 10:50 UTCJul 20, 16:45 UTC5h 55m - -
2026-07-19 A2A686 SEA → SFO Jul 19, 10:50 UTCJul 19, 16:25 UTC5h 35m - -
2026-07-18 A58C2E SEA → SFO Jul 18, 10:35 UTCJul 18, 16:10 UTC5h 35m - -
2026-07-17 A613E0 SEA → SFO Jul 17, 10:35 UTCJul 17, 16:10 UTC5h 35m - -
2026-07-16 A677CA BOS → PDX Jul 16, 10:28 UTCJul 16, 16:12 UTC5h 44m +25m +3m
2026-07-16 A677CA - Jul 16, 10:29 UTCJul 16, 14:25 UTC3h 55m - -
2026-07-15 ACDFA3 BOS → PDX Jul 15, 10:50 UTCJul 15, 16:10 UTC5h 20m - -
2026-07-14 AD2733 BOS → PDX Jul 14, 10:35 UTCJul 14, 15:50 UTC5h 15m - -
2026-07-13 A3133C BOS → PDX Jul 13, 10:30 UTCJul 13, 15:50 UTC5h 20m - -
2026-07-12 ACDBEC BOS → PDX Jul 12, 10:25 UTCJul 12, 15:50 UTC5h 25m - -
2026-07-11 A602AB BOS → PDX Jul 11, 10:30 UTCJul 11, 16:00 UTC5h 30m - -
2026-07-10 A97608 BOS → PDX Jul 10, 10:30 UTCJul 10, 15:55 UTC5h 25m - -
2026-07-09 A2ADF4 SEA → SFO Jul 9, 10:30 UTCJul 9, 16:00 UTC5h 30m - -
2026-07-08 A56866 SEA → SFO Jul 8, 10:20 UTCJul 8, 15:45 UTC5h 25m - -
2026-07-07 AD438D SEA → SFO Jul 7, 10:33 UTCJul 7, 16:00 UTC5h 27m +30m +16m
2026-07-07 AD438D SEA → SFO Jul 7, 10:30 UTCJul 7, 15:55 UTC5h 25m - -
2026-07-06 A25B3F SEA → SFO Jul 6, 10:30 UTCJul 6, 15:55 UTC5h 25m - -
2026-07-05 A96AE3 SEA → SFO Jul 5, 10:25 UTCJul 5, 16:05 UTC5h 40m - -
2026-07-04 A622BC SEA → SFO Jul 4, 10:45 UTCJul 4, 16:30 UTC5h 45m - -
2026-07-03 A97608 SEA → SFO Jul 3, 10:29 UTCJul 3, 16:01 UTC5h 32m +26m +19m
2026-07-03 A97608 SEA → SFO Jul 3, 10:30 UTCJul 3, 16:05 UTC5h 35m - -
2026-07-02 A9C506 SEA → SFO Jul 2, 10:31 UTCJul 2, 16:04 UTC5h 33m +28m +18m
2026-07-02 A9C506 SEA → SFO Jul 2, 10:35 UTCJul 2, 16:10 UTC5h 35m - -
2026-07-01 ACBE34 SEA → SFO Jul 1, 10:30 UTCJul 1, 16:00 UTC5h 30m - -

Performance history

Flights tracked
133 showing last 30
Avg arrival delay
+14m
On-time arrival
25% 25% on time
Aircraft used
24

Monthly activity 4 months

Month Flights tracked
July 2026 30
June 2026 34
May 2026 37
April 2026 32

ASA311 frequently asked

Where does flight ASA311 fly?
ASA311 (Alaska Airlines) flies from SEA to SFO. View the full route page.
How long is flight ASA311?
Based on observed flights, ASA311 takes on average 5h 29m from takeoff to landing.
How often does ASA311 fly?
ASA311 has been observed flying daily in our tracking data. We've recorded 133 flights under this callsign.
Is flight ASA311 usually on time?
Across recent flights, ASA311 arrives with an average 14-minute delay. 25% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA311?
ASA311 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA311 live?
Yes. When ASA311 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.