SEA Seattle–Tacoma International Airport
live · 16m ago
SeattleSeattle–Tacoma International Airport20:02·16°C·#291/327
OPSWATCH WEATHERVFR
+16 min

Seattle (SEA) airport average arrival delay right now

Departures +15 min, arrivals +16 min. 3 of 881 flights cancelled (0.3%). Weather may also affect throughput; check the forecast below.

Hour by hour
20:00today +16 min minor

Drag. Solid bars are observed. Hatched bars are expected.

Seattle (SEA) delays today: 63% of the 38 flights we have timed operated within 15 minutes of schedule. Departures are running +15 min and arrivals +16 min, across 881 flights tracked so far today. 3 of 881 tracked flights have been cancelled (0.3%). Source: official airport boards, METAR weather, Pro Flight Search tracking. Updated 15 October 2026 at 02:46 UTC.

Departures16 timed
On time75%12
Delayed25%4
typical now +15 min
Arrivals22 timed
On time55%12
Delayed45%10
typical now +16 min
On the boardDeparturesfull board ↗
18:45 20:30AS284FAI Fairbanks · gate N4+105 min
18:55 20:00DL3820PDX Portland · gate B5+65 min
19:15 20:15TK204IST Istanbul · gate S10+60 min
19:54AS3343FAT Fresno · gate C10Don time
19:55AS2009YVR Vancouver · gate C2Fon time
19:56AS504STS Santa Rosa · gate N10on time
19:56DL3987ONT Ontario · gate B1on time
19:58AS3336PDX Portland · gate C10Fon time
07:55AC540YYZ TorontoCancelled
13:30BA52LHR LondonCancelled
19:15AC8809YVR VancouverCancelled

When this board posts +15, the median flight leaves +23. Posted vs. actual across every hub: the slippage study →

Arrivalsfull board ↗
19:10 19:57AS1417ANC from Anchorage+47 min
19:20 20:13BR26TPE from Taipei+53 min
19:44 19:54AA1483DFW from Dallas-Fort Worth+10 min
19:48 19:54AS31JFK from New York+6 min
19:50 19:59WN758IND from Indianapolis+9 min
19:50 19:59WN758SAN from San Diego+9 min
14:22AC8804YVR from VancouverCancelled
21:42AS339AUS from AustinCancelled
Running late right now41 of 227 still on the board · 18%
+284
AS494 from San Antonio · arr 00:35
Flights this late at SEA still cancel only 2.6% of the time.
+183
MC252 from Anchorage · arr 23:03
Typical claw-back on this sector is ~28 min.
+105
AS284 → Fairbanks · dep 20:30
A +105 min push, well beyond this airport's typical day.
+91
WN1726 from Las Vegas · arr 00:31
Typical claw-back on this sector is ~26 min.
In the air to SEAlive positions · 3-min feed
61aircraft inbound · next to land AA3105 from Chicago, lands ~20:03
AA3105Chicago
on final · ~20:03
AS31New York
on final · ~20:04
AS597Anchorage
on final · ~20:05
AS665Salt Lake City
on final · ~20:06

Positions as of 19:57 local · updates every 3 min. Tap any flight to watch it on its own page.

Airlines by median delay todaymedian · min 3 legs
ASAlaska+24m
Why4 kt N winds, Few clouds. Operations are already late; the delay is not coming from weather.
Cancelled 0.3%3 of 881 A typical day here runs ~0.6%. Today is holding at or below normal. Weather window Forecast (TAF) ⛈️ 04–06 Worse conditions hold through the TAF window. Made up in the air Network figure ~27 min Network-wide median for delayed flights in our tracked sample.
Last 30 days

Today is the 18th worst day of the last 30. Median day: +18 min departures.

Typical week here
+23
MON
+15
TUE
+14
WED
+21
THU
+22
FRI
+22
SAT
+19
SUN

Last 90 days: lightest on Wednesday (+14 min), heaviest on Monday (+23 min).

Watch this airportfree · no account

One message when SEA crosses your line, one when it clears. Nothing else, ever.

Tell me when delays go

From forecast@proflightsearch.com · one-tap unwatch in every message.

Sample · what you getSEA went yellow · departures now +34 min and building · 19:40 local. Weather clears after 03:00. → proflightsearch.com/airport-delays/seattle-SEA

Seattle airport delays today

Delays are building at SEA. A typical arrival is currently +16 min. Departures are +15 min. Cancellations: 3 of 881 tracked flights (0.3%). The calmest upcoming departure hour looks like 01:00 (+12 min expected). The terminal forecast includes Winds NNE-030 at 5kt, Vis 6sm, Mist, Broken layer at 300ft.

Nearby gateways: PDX GEG BOI RNO SMF JAC · Global delay board · Nonstop routes from Seattle

Is Seattle (SEA) delayed right now?

Delays are building at SEA. Departures +15 min, arrivals +16 min. 3 of 881 flights cancelled (0.3%). Weather may also affect throughput; check the forecast below. 63% of the 38 flights we timed here today operated within 15 minutes of schedule.

What is the current weather at Seattle (SEA)?

Winds N-360 at 4kt, Vis 10sm, Temp 16°C, Dew 11°C, Alt 30.34 inHg, Few clouds at 4500ft, Few clouds at 25000ft. 16°C. wind 4 kt. visibility >10 km. flight rules VFR.

What is the best day to fly from Seattle (SEA)?

Over the last 90 days, Wednesday averaged the lightest departure delays (+14 min). Monday ran heaviest (+23 min).

How often are flights delayed at SEA today?

We tracked 881 flights today: departures +15 min, arrivals +16 min. 0.3% of tracked operations were cancelled.

What is the TAF forecast for SEA?

The next TAF period (VFR) forecasts: Winds WNW-290 at 5kt, Vis greater than 6sm, Few clouds at 2500ft, Few clouds at 4500ft.

Are there cancellations at SEA today?

3 cancellations across 881 tracked flights today (0.3% of operations).

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: Seattle (SEA) live delay and board tracking, measured from official airport boards.

Canonical URL
https://proflightsearch.com/airport-delays/seattle-SEA
How we measure this →
Technical · METAR, flight rules & indexes
VFRRight now visual (VFR), but the forecast (TAF) below reaches low-instrument conditions ahead: bigger delays and diversions become likely.
Wind360° 4 kt
Visibility>10 km
Temp / dew16 / 11 °C
Pressure1027 hPa
KSEA 150153Z 36004KT 10SM FEW045 FEW250 16/11 A3034 RMK AO2 SLP279 T01610111
17:00 to 19:00VFRWinds WNW-290 at 5kt, Vis greater than 6sm, Few clouds at 2500ft, Few clouds at 4500ft
19:00 to 04:00VFRWinds N-010 at 5kt, Vis greater than 6sm, Sky clear
04:00 to 08:00LIFRWinds NNE-030 at 5kt, Vis 6sm, Mist, Broken layer at 300ft
08:00 to 11:00LIFRWinds N-010 at 5kt, Vis 1sm, Mist, Broken layer at 300ft
Dep index
1.0/5Arr index
0.0/5
METAR 18:53 local · 1h ago · delay window 19:46 local · How these are computed → methodology