YAFT.LIVE

AS1340

SFO → SEA · Boeing 737-800 · Alaska Airlines

View on live map →

For travellers

Departure · San Francisco (SFO)

Terminal T1 · Gate B6
Scheduled 17:45 · Departed 17:42
Board status: Departed
Airborne since 17:40 (ADS-B)

Arrival · Seattle (SEA)

Gate N8
Scheduled 19:56 · Estimated 19:52
Board status: Now 7:52 PM
In the air, ~28m to go (66% of the route flown)

Board data from sea, sfo, updated 40 min ago; times local to each airport.

Flight

Status
In progress
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Scheduled departure
2026-10-04 00:45 UTC
Departed
2026-10-04 00:40 UTC
Arrival
Seattle Tacoma International Airport (SEA) — Seattle, United States (scheduled)
Scheduled arrival
2026-10-04 02:56 UTC
Estimated arrival
2026-10-04 02:52 UTC
Progress
66% · ~28m remaining
Codeshares
AA7579, DE5001, QR2162
Distance flown
735 km
Straight-line distance
1093 km

Aircraft

Registration
N551AS
Type
Boeing 737-800
Seats
159 total (117 Economy, 30 Premium, 12 First)
CO2 (EMEP est., total)
28.3 t (166 kg/pax Economy, 187 kg/pax Premium Economy, 272 kg/pax Business)

Altitude & speed

Max altitude
38,025 ft
Max ground speed
484 kt
Tracked
1h 9m · 735 km
Note
still in progress - the track so far
Altitude (ft, max 38,025)
020,53441,0670m30m1h 0m
Ground speed (kt, max 484)
02615230m30m1h 0m
Altitude (ft, max 38,025)
020,53441,0670m1h 0m
Ground speed (kt, max 484)
02615230m1h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

Alaska Airlines (ASA)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-04 00:40 UTC ASA1340 SFO → SEA
San Francisco → Seattle
 N551AS Boeing 737-800 In progress ~1093 km est.
2026-10-03 00:35 UTC ASA1340 SFO → SEA
San Francisco → Seattle
 N532AS Boeing 737-800 Completed 1239 km
2026-10-01 23:52 UTC ASA1340 SFO → SEA
San Francisco → Seattle
 N565AS Boeing 737-800 Completed 1177 km
2026-09-30 23:54 UTC ASA1340 SFO → SEA
San Francisco → Seattle
 N293AK Boeing 737-900 Completed 1179 km
2026-09-30 00:35 UTC ASA1340 SFO → SEA
San Francisco → Seattle
 N298AK Boeing 737-900 Completed 1279 km

← Back to the live map