📍 Seattle⬆ 433 ft4 runways
KSEA · SEA
Seattle Tacoma International Airport
47.44900°N
-122.30900°W
ARR / DAY
573
▲
59.0%
DEP / DAY
566
▲
58.5%
ON-TIME
90.1%
Top 25%
arr · avg -12 min
dep · 100% · avg 0 min
cal
AVG DELAY
-12 min
7d window
Seattle Tacoma International Airport (KSEA/SEA) is a large international airport located in Seattle, WA. It features 4 runways with the longest being 11,901 feet. SkyMeter has observed roughly 573 arrivals and 566 departures per day on average over the last 7 days, served by 30 carriers across 125 routes. The most active carrier is Alaska Airlines (ASA). The busiest route is to Ted Stevens Anchorage International Airport (PANC). On-time performance averages 90% with an average delay of -12 minutes against scheduled times. At the busiest hour of an average day, we calculated that a plane takes off or lands roughly every 116 seconds.
Safety incidents
Last 7 days · 7 total
Current weather
Latest METAR observation
Temp
63°F
Wind
8 kts
210°
Visib
10+ km
Ceil
—
Delays by hour
Avg minutes · local time · last 30 days
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Top carriers
Share of flights
Top destinations
By flight count
Carriers
Alaska Airlines
2,968
DAL
Delta AIR Lines
1,318
SKW
SKY West Aviation
1,065
QXE
Horizon AIR Industries
770
UAL
United Airlines
399
AAL
American Airlines
312
Show 34 more carriers →
SWA
Southwest Airlines CO. (san Antonio
234
ATN
AIR Transport International (little Rock
59
FFT
Frontier Airlines
50
ENY
Envoy AIR
46
FDX
Federal Express
44
ABX
ABX AIR
42
JZA
Jazz Aviation
41
CFS
Empire Airlines (hayden Lake
36
ICE
Icelandair
34
JBU
Jetblue Airways Corporation (new York
30
EVA
EVA Airways
24
BAW
British Airways
24
DLH
Deutsche Lufthansa
23
WJA
Westjet Airlines
22
KAL
Korean AIR Lines
20
VOI
Concesionaria Vuela Compania DE Aviacion
19
SCX
MN Airlines
18
CAL
China Airlines
17
AMX
Aerovias DE Mexico
15
THY
Turk Hava Yollari (turkish Airlines Co.)
15
JAL
Japan Airlines
15
CFG
Condor Flugdienst
13
ACA
AIR Canada
13
EIN
AER Lingus Teoranta
13
ANA
ALL Nippon Airways
12
VIR
Virgin Atlantic
12
SJX
Starlux Airlines
12
AFR
AIR France
12
SIA
Singapore Airlines
11
EJA
Netjets Aviation
10
UAE
Emirates
10
CPA
Cathay Pacific Airways
9
AAR
Asiana Airlines
9
PAL
Philippine AIR Lines Inc. (pal)
8
Communications Frequencies
2026-05-14| Type | Freq (MHz) | Hours |
|---|---|---|
| GND | 121.700 | 24 |
| ATIS | 118.000 | 24 |
| APCH | 119.200 | — |
| APCH | 120.100 | — |
| APCH | 120.400 | — |
| APCH | 123.900 | — |
| APCH | 125.600 | — |
| APCH | 125.900 | — |
| APCH | 126.500 | — |
| APCH | 128.500 | — |
| APCH | 133.650 | — |
| APCH | 269.125 | — |
| APCH | 273.450 | — |
| APCH | 284.700 | — |
| APCH | 290.900 | — |
| APCH | 306.900 | — |
| APCH | 377.150 | — |
| UNICOM | 122.950 | — |
| SEA VOT | 117.500 | — |
| SEATTLE | 119.200 | — |
| SUMMA DP | 119.200 | — |
| MOUNTAIN | 119.200 | — |
| CLASS B | 119.200 | — |
| LCL/P | 119.900 | 24 |
| CLASS B | 120.100 | — |
| OZWLD RN | 120.400 | — |
| JEFPO DP | 120.400 | — |
| ISBRG DP | 120.400 | — |
| CLASS B | 120.400 | — |
| HAROB RN | 120.400 | — |
| ATOME DP | 120.400 | — |
| ELMAA DP | 120.400 | — |
| SUMMA DP | 120.400 | — |
| BANGR RN | 120.400 | — |
| LCL/P | 120.950 | 24 |
| EMERG | 121.500 | 24 |
| RAMP CTL | 122.275 | 24 |
| GLASR ST | 123.900 | — |
| CHINS ST | 123.900 | — |
| SKYKO ST | 123.900 | — |
| JAWBN ST | 125.600 | — |
| MARNR RN | 125.600 | — |
| OLYMPIA | 125.600 | — |
| HAWKZ RN | 125.600 | — |
| CLASS B | 125.900 | — |
| RAMP CTL | 126.250 | 24 |
| CLASS B | 126.500 | — |
| RAMP CTL | 126.875 | 24 |
| CD/P | 128.000 | 24 |
| CLASS B | 128.500 | — |
| FINAL | 133.650 | — |
| LCL/P | 239.300 | 24 |
| EMERG | 243.000 | 24 |
| ISBRG DP | 269.125 | — |
| JEFPO DP | 269.125 | — |
| OZWLD RN | 269.125 | — |
| SUMMA DP | 269.125 | — |
| CLASS B | 269.125 | — |
| ATOME DP | 269.125 | — |
| MARNR RN | 273.450 | — |
| OLYMPIA | 273.450 | — |
| JAWBN ST | 273.450 | — |
| HAWKZ RN | 273.450 | — |
| FINAL | 273.450 | — |
| SEATTLE | 284.700 | — |
| SUMMA DP | 284.700 | — |
| CLASS B | 284.700 | — |
| MOUNTAIN | 284.700 | — |
| CLASS B | 290.900 | — |
| CLASS B | 306.900 | — |
| CHINS ST | 338.200 | — |
| SKYKO ST | 338.200 | — |
| GLASR ST | 338.200 | — |
| CLASS B | 377.150 | — |
| HAROB RN | 395.000 | — |
| ELMAA DP | 395.000 | — |
| BANGR RN | 395.000 | — |
Airport operations
- ARTCC:
- ZSE
- Mag var:
- 16° E
- Fuel:
- A1
Destination network
Great-circle routes from KSEA · last 7d
Live destinations · drag to pan · scroll to zoom
Hourly traffic
Avg movements per hour · local time · last 30 days
Top routes
Click any segment for full inspection
See all routes →
80 routes
| Route | Operator | Flights | Avg enroute |
|---|---|---|---|
SEAANC Anchorage, US |
ASA
Alaska Airlines |
173 | 3h 42m |
SEAPDX Portland, US |
SKW
SKY West Aviation |
110 | 1h 9m |
SEABOI Boise, US |
SKW
SKY West Aviation |
96 | 1h 12m |
SEAGEG Spokane, US |
SKW
SKY West Aviation |
85 | 0h 58m |
SEAPHX Phoenix, US |
ASA
Alaska Airlines |
80 | 2h 48m |
SEALAX Los Angeles, US |
ASA
Alaska Airlines |
79 | 2h 24m |
SEASAN San Diego, US |
ASA
Alaska Airlines |
76 | 2h 42m |
SEALAS Las Vegas, US |
ASA
Alaska Airlines |
76 | 2h 26m |
SEADFW Dallas-Fort Worth, US |
AAL
American Airlines |
76 | 3h 55m |
SEASFO San Francisco, US |
ASA
Alaska Airlines |
75 | 2h 2m |
SEASLC Salt Lake City, US |
DAL
Delta AIR Lines |
74 | 1h 51m |
SEALAX Los Angeles, US |
DAL
Delta AIR Lines |
72 | 2h 33m |
SEAATL Atlanta, US |
DAL
Delta AIR Lines |
67 | 4h 45m |
SEADEN Denver, US |
UAL
United Airlines |
65 | 2h 41m |
SEASFO San Francisco, US |
UAL
United Airlines |
65 | 2h 3m |
SEAORD Chicago, US |
ASA
Alaska Airlines |
63 | 3h 58m |
SEAPDX Portland, US |
QXE
Horizon AIR Industries |
59 | 1h 5m |
SEASNA Santa Ana, US |
ASA
Alaska Airlines |
58 | 2h 29m |
SEASMF Sacramento, US |
SKW
SKY West Aviation |
56 | 1h 42m |
SEAGEG Spokane, US |
QXE
Horizon AIR Industries |
55 | 0h 53m |
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 07:07 UTC