📍 Seattle⬆ 433 ft4 runways
KSEA · SEA
Seattle Tacoma International Airport
47.44900°N
-122.30900°W
ARR / DAY
424
▼
28.3%
DEP / DAY
418
▼
27.3%
ON-TIME
83.5%
Top 25%
arr · avg -3 min
dep · 89.4% · avg 6 min
cal
AVG DELAY
-3 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 424 arrivals and 418 departures per day on average over the last 7 days, served by 36 carriers across 138 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 -3 minutes against scheduled times. At the busiest hour of an average day, we calculated that a plane takes off or lands roughly every 46 seconds.
Safety incidents
Last 7 days · 2 total
Current weather
Latest METAR observation
Temp
61°F
Wind
3 kts
200°
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
2,126
DAL
Delta AIR Lines
897
SKW
SKY West Aviation
749
QXE
Horizon AIR Industries
594
UAL
United Airlines
270
SWA
Southwest Airlines Co. (SAN Antonio
256
Show 34 more carriers →
AAL
American Airlines
189
ABX
ABX AIR
59
FFT
Frontier Airlines
43
CFS
Empire Airlines (Hayden Lake
39
FDX
Federal Express
37
JZA
Jazz Aviation
37
ATN
AIR Transport International (Little Rock
36
ICE
Icelandair
31
JBU
Jetblue Airways Corporation (NEW York
27
BAW
British Airways
26
DLH
Deutsche Lufthansa
22
VOI
Concesionaria Vuela Compania de Aviacion
20
WJA
Westjet Airlines
18
KAL
Korean AIR Lines
18
SCX
MN Airlines
17
EVA
EVA Airways
17
EJA
Netjets Aviation
16
CAL
China Airlines
15
ENY
Envoy AIR
14
THY
Turk Hava Yollari (Turkish Airlines Co.)
14
AMX
Aerovias de Mexico
13
CFG
Condor Flugdienst
12
UAE
Emirates
11
QTR
Qatar Airways Group Q.C.S.C.
11
JAL
Japan Airlines
11
SIA
Singapore Airlines
10
VIR
Virgin Atlantic
10
WEN
Westjet Encore
10
CPA
Cathay Pacific Airways
10
AAR
Asiana Airlines
10
AFR
AIR France
10
SJX
Starlux Airlines
10
SAS
Scandinavian Airlines System
9
LXJ
Flexjet LLC (Richardson
9
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 |
117 | 3h 24m |
SEAPDX Portland, US |
SKW
SKY West Aviation |
73 | 0h 57m |
SEAJNU Juneau, US |
ASA
Alaska Airlines |
65 | 3h 3m |
SEASFO San Francisco, US |
ASA
Alaska Airlines |
65 | 2h 5m |
SEALAX Los Angeles, US |
ASA
Alaska Airlines |
64 | 2h 32m |
SEAGEG Spokane, US |
SKW
SKY West Aviation |
60 | 1h 3m |
SEALAS Las Vegas, US |
ASA
Alaska Airlines |
56 | 2h 28m |
SEAYVR Vancouver, CA |
QXE
Horizon AIR Industries |
56 | 0h 51m |
SEASLC Salt Lake City, US |
DAL
Delta AIR Lines |
56 | 1h 56m |
SEASNA Santa Ana, US |
ASA
Alaska Airlines |
55 | 2h 29m |
SEAATL Atlanta, US |
DAL
Delta AIR Lines |
55 | 4h 48m |
SEALAX Los Angeles, US |
DAL
Delta AIR Lines |
53 | 2h 29m |
SEASAN San Diego, US |
ASA
Alaska Airlines |
52 | 2h 43m |
SEAPDX Portland, US |
QXE
Horizon AIR Industries |
52 | 0h 56m |
SEABOI Boise, US |
SKW
SKY West Aviation |
48 | 1h 18m |
SEADFW Dallas-Fort Worth, US |
AAL
American Airlines |
48 | 3h 58m |
SEASFO San Francisco, US |
UAL
United Airlines |
47 | 2h 6m |
SEASJC San Jose, US |
SKW
SKY West Aviation |
46 | 2h 3m |
SEASMF Sacramento, US |
ASA
Alaska Airlines |
45 | 1h 47m |
SEAFAI Fairbanks, US |
ASA
Alaska Airlines |
44 | 3h 32m |
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 07:10 UTC