📍 Seattle⬆ 433 ft4 runways
KSEA · SEA
Seattle Tacoma International Airport
47.44900°N
-122.30900°W
ARR / DAY
432
▼
15.8%
DEP / DAY
427
▼
14.3%
ON-TIME
84%
Top 25%
arr · avg -4 min
dep · 89.7% · avg 6 min
cal
AVG DELAY
-4 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 432 arrivals and 427 departures per day on average over the last 7 days, served by 34 carriers across 132 routes. The most active carrier is Alaska Airlines (ASA). The busiest route is to Portland International Airport (KPDX). On-time performance averages 84% with an average delay of -4 minutes against scheduled times. At the busiest hour of an average day, we calculated that a plane takes off or lands roughly every 48 seconds.
Safety incidents
Last 7 days · 2 total
Current weather
Latest METAR observation
Temp
59°F
Wind
5 kts
240°
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
2,166
DAL
Delta AIR Lines
930
SKW
SKY West Aviation
802
QXE
Horizon AIR Industries
602
UAL
United Airlines
265
SWA
Southwest Airlines Co. (SAN Antonio
259
Show 34 more carriers →
AAL
American Airlines
189
ABX
ABX AIR
60
FFT
Frontier Airlines
44
JZA
Jazz Aviation
37
CFS
Empire Airlines (Hayden Lake
37
ATN
AIR Transport International (Little Rock
35
FDX
Federal Express
34
ICE
Icelandair
29
BAW
British Airways
28
JBU
Jetblue Airways Corporation (NEW York
22
VOI
Concesionaria Vuela Compania de Aviacion
22
EVA
EVA Airways
20
WJA
Westjet Airlines
20
DLH
Deutsche Lufthansa
20
EJA
Netjets Aviation
18
KAL
Korean AIR Lines
18
THY
Turk Hava Yollari (Turkish Airlines Co.)
16
SCX
MN Airlines
15
AMX
Aerovias de Mexico
15
CAL
China Airlines
15
CFG
Condor Flugdienst
12
ENY
Envoy AIR
12
UAE
Emirates
11
SJX
Starlux Airlines
11
JAL
Japan Airlines
11
LXJ
Flexjet LLC (Richardson
10
AAR
Asiana Airlines
10
EIN
AER Lingus Teoranta
10
QTR
Qatar Airways Group Q.C.S.C.
10
SIA
Singapore Airlines
10
CPA
Cathay Pacific Airways
10
VIR
Virgin Atlantic
9
SAS
Scandinavian Airlines System
9
CHH
Hainan Airlines Holding
8
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| TWR | 119.900 | 24 |
| TWR | 120.950 | 24 |
| TWR | 239.300 | 24 |
| 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 | — |
| OTHER | 117.500 | — |
| CLASS B | 119.200 | — |
| SUMMA DP | 119.200 | — |
| SEATTLE | 119.200 | — |
| MOUNTAIN | 119.200 | — |
| OTHER | 119.200 | — |
| LCL/P | 119.900 | 24 |
| CLASS B | 120.100 | — |
| ATOME DP | 120.400 | — |
| SUMMA DP | 120.400 | — |
| CLASS B | 120.400 | — |
| JEFPO DP | 120.400 | — |
| ISBRG DP | 120.400 | — |
| HAROB RN | 120.400 | — |
| OZWLD RN | 120.400 | — |
| ELMAA DP | 120.400 | — |
| BANGR RN | 120.400 | — |
| OTHER | 120.400 | — |
| LCL/P | 120.950 | 24 |
| EMERG | 121.500 | 24 |
| RAMP CTL | 122.275 | 24 |
| RAMP | 122.275 | 24 |
| GLASR ST | 123.900 | — |
| SKYKO ST | 123.900 | — |
| CHINS ST | 123.900 | — |
| OTHER | 123.900 | — |
| OLYMPIA | 125.600 | — |
| MARNR RN | 125.600 | — |
| HAWKZ RN | 125.600 | — |
| JAWBN ST | 125.600 | — |
| OTHER | 125.600 | — |
| CLASS B | 125.900 | — |
| RAMP CTL | 126.250 | 24 |
| RAMP | 126.250 | 24 |
| CLASS B | 126.500 | — |
| RAMP CTL | 126.875 | 24 |
| RAMP | 126.875 | 24 |
| CD/P | 128.000 | 24 |
| OTHER | 128.000 | 24 |
| CLASS B | 128.500 | — |
| FINAL | 133.650 | — |
| OTHER | 133.650 | — |
| LCL/P | 239.300 | 24 |
| EMERG | 243.000 | 24 |
| ISBRG DP | 269.125 | — |
| JEFPO DP | 269.125 | — |
| CLASS B | 269.125 | — |
| OZWLD RN | 269.125 | — |
| ATOME DP | 269.125 | — |
| SUMMA DP | 269.125 | — |
| OTHER | 269.125 | — |
| HAWKZ RN | 273.450 | — |
| JAWBN ST | 273.450 | — |
| FINAL | 273.450 | — |
| MARNR RN | 273.450 | — |
| OLYMPIA | 273.450 | — |
| OTHER | 273.450 | — |
| SEATTLE | 284.700 | — |
| MOUNTAIN | 284.700 | — |
| SUMMA DP | 284.700 | — |
| CLASS B | 284.700 | — |
| OTHER | 284.700 | — |
| CLASS B | 290.900 | — |
| CLASS B | 306.900 | — |
| GLASR ST | 338.200 | — |
| SKYKO ST | 338.200 | — |
| CHINS ST | 338.200 | — |
| OTHER | 338.200 | — |
| CLASS B | 377.150 | — |
| BANGR RN | 395.000 | — |
| HAROB RN | 395.000 | — |
| ELMAA DP | 395.000 | — |
| OTHER | 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 |
115 | 3h 24m |
SEAPDX Portland, US |
SKW
SKY West Aviation |
78 | 0h 57m |
SEAGEG Spokane, US |
SKW
SKY West Aviation |
68 | 1h 3m |
SEAJNU Juneau, US |
ASA
Alaska Airlines |
66 | 3h 0m |
SEASFO San Francisco, US |
ASA
Alaska Airlines |
63 | 2h 4m |
SEALAX Los Angeles, US |
ASA
Alaska Airlines |
62 | 2h 32m |
SEAYVR Vancouver, CA |
QXE
Horizon AIR Industries |
61 | 0h 52m |
SEALAS Las Vegas, US |
ASA
Alaska Airlines |
59 | 2h 27m |
SEASAN San Diego, US |
ASA
Alaska Airlines |
58 | 2h 44m |
SEASLC Salt Lake City, US |
DAL
Delta AIR Lines |
58 | 1h 55m |
SEAATL Atlanta, US |
DAL
Delta AIR Lines |
57 | 4h 50m |
SEALAX Los Angeles, US |
DAL
Delta AIR Lines |
56 | 2h 29m |
SEAPDX Portland, US |
QXE
Horizon AIR Industries |
56 | 0h 55m |
SEASNA Santa Ana, US |
ASA
Alaska Airlines |
55 | 2h 30m |
SEAPSC Pasco, US |
SKW
SKY West Aviation |
55 | 0h 55m |
SEAPHX Phoenix, US |
ASA
Alaska Airlines |
51 | 2h 51m |
SEABOI Boise, US |
SKW
SKY West Aviation |
50 | 1h 18m |
SEASMF Sacramento, US |
ASA
Alaska Airlines |
50 | 1h 48m |
SEAYVR Vancouver, CA |
SKW
SKY West Aviation |
47 | 0h 53m |
SEADFW Dallas-Fort Worth, US |
AAL
American Airlines |
47 | 3h 58m |
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 09:31 UTC