SEA Seattle–Tacoma International Airport
live · 14m ago
SeattleSeattle–Tacoma International Airport18:41·12°C·#28/327
OPSWATCH WEATHERVFR
+15 min

Seattle (SEA) airport average departure delay right now

Departures +15 min, arrivals +14 min. 2 of 847 flights cancelled (0.2%).

Hour by hour
18:00today +15 min minor

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

Seattle (SEA) delays today: 41% of the 32 flights we have timed operated within 15 minutes of schedule. Departures are running +15 min and arrivals +14 min, across 847 flights tracked so far today. 2 of 847 tracked flights have been cancelled (0.2%). Source: official airport boards, METAR weather, Pro Flight Search tracking. Updated 23 October 2026 at 01:22 UTC.

Departures19 timed
On time32%6
Delayed68%13
typical now +15 min
Arrivals13 timed
On time54%7
Delayed46%6
typical now +14 min
On the boardDeparturesfull board ↗
15:30 19:10DL248BCN Barcelona · gate A3+220 min
17:04 18:53AS1390LAX Los Angeles · gate D3+109 min
18:23 18:44AS523LAS Las Vegas · gate D4+21 min
18:34AS69JNU Juneau · gate D7on time
18:34AS69KTN Ketchikan · gate D7on time
18:40 18:56AS527MSP Minneapolis · gate N9+16 min
18:40 19:30DL80CDG Paris · gate S15+50 min
18:43UA1730LAX Los Angeles · gate B9on time
15:35DL69TPE TaipeiCancelled
16:30UA3871LAX Los AngelesCancelled

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

Arrivalsfull board ↗
18:25 19:14BA49LHR from London+49 min
18:31 19:20AS2016YVR from Vancouver+49 min
18:33 18:58AS68SFO from San Francisco+25 min
18:45 19:15AS738LAS from Las Vegas+30 min
18:45 18:58F91177LAX from Los Angeles+13 min
18:49AS2349PDX from Portlandon time
20:14DL21LHR from LondonCancelled
Running late right now82 of 348 still on the board · 24%
+220
DL248 → Barcelona · dep 19:10
Flights this late at SEA still cancel only 2.4% of the time.
+144
WN1548 → Oakland · dep 00:04
A +144 min push, well beyond this airport's typical day.
+144
WN2368 from Las Vegas · arr 23:24
Typical claw-back on this sector is ~27 min.
+144
WN2368 from Los Angeles · arr 23:24
Typical claw-back on this sector is ~27 min.
In the air to SEAlive positions · 3-min feed
82aircraft inbound · next to land AS1417 from Anchorage, lands ~18:43
AS1417Anchorage
on final · ~18:43
UA1801Chicago
on final · ~18:44
DL472Atlanta
lands ~18:46
AS314St Louis
on final · ~18:46

Positions as of 18:37 local · updates every 3 min. Tap any flight to watch it on its own page.

Delayed routes todaymedian · min 3 legs
LAXLos Angeles+35m
SFOSan Francisco+25m
Airlines by median delay todaymedian · min 3 legs
ASAlaska+25m
Why7 kt N winds, Overcast at 3,800 ft. Conditions like these carry no delay penalty at SEA in our weather × delay record.
Cancelled 0.2%2 of 847 A typical day here runs ~0.6%. Today is holding at or below normal. Weather window Forecast (TAF) 🌤 staying clear No significant weather in 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: +15 min departures.

Typical week here
+22
MON
+14
TUE
+12
WED
+20
THU
+22
FRI
+22
SAT
+17
SUN

Last 90 days: lightest on Wednesday (+12 min), heaviest on Monday (+22 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 departure is currently +15 min. Arrivals are +14 min. Cancellations: 2 of 847 tracked flights (0.2%). The calmest upcoming departure hour looks like 05:00 (+9 min expected).

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 +14 min. 2 of 847 flights cancelled (0.2%). 41% of the 32 flights we timed here today operated within 15 minutes of schedule.

What is the current weather at Seattle (SEA)?

Winds N-360 at 7kt, Vis 10sm, Temp 12°C, Dew 7°C, Alt 30.00 inHg, Broken layer at 3800ft, Broken layer at 7000ft, Overcast layer at 21000ft. 12°C. wind 7 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 (+12 min). Monday ran heaviest (+22 min).

How often are flights delayed at SEA today?

We tracked 847 flights today: departures +15 min, arrivals +14 min. 0.2% of tracked operations were cancelled.

What is the TAF forecast for SEA?

The next TAF period (VFR) forecasts: Winds N-350 at 10kt, Vis greater than 6sm, Scattered clouds at 3000ft, Broken layer at 3500ft.

Are there cancellations at SEA today?

2 cancellations across 847 tracked flights today (0.2% of operations).

Cite this data

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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). Weather isn’t the binding constraint right now, and the forecast (TAF) below stays visual.
Wind360° 7 kt
Visibility>10 km
Ceiling3,800 ft
Temp / dew12 / 7 °C
Pressure1016 hPa
KSEA 230053Z 36007KT 10SM BKN038 BKN070 OVC210 12/07 A3000 RMK AO2 SLP164 T01220072
17:00 to 23:00VFRWinds N-350 at 10kt, Vis greater than 6sm, Scattered clouds at 3000ft, Broken layer at 3500ft
23:00 to 02:00VFRWinds ENE-060 at 5kt, Vis greater than 6sm, Broken layer at 4000ft
02:00 to 06:00VFRWinds E-090 at 5kt, Vis greater than 6sm, Overcast layer at 5000ft
06:00 to 11:00VFRWinds E-100 at 4kt, Vis greater than 6sm, Few clouds at 2000ft, Overcast layer at 5000ft
Dep index
1.0/5
METAR 17:53 local · 49m ago · delay window 18:22 local · How these are computed → methodology