📍 Seattle⬆ 433 ft4 runways
KSEA · SEA
Seattle Tacoma International Airport
47.44900°N
-122.30900°W
ARR / DAY
585
▼
12.3%
DEP / DAY
579
▼
15.0%
ON-TIME
80.2%
Top 25%
arr · avg 3 min
dep · 100% · avg -5 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 11,900 feet. SkyMeter has observed roughly 585 arrivals and 579 departures per day on average over the last 7 days, served by 30 carriers across 138 routes. The most active carrier is Alaska Airlines (ASA). The busiest route is to Los Angeles International Airport (KLAX). On-time performance averages 80% 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 · 0 total
Current weather
Latest METAR observation
Temp
43°F
Wind
6 kts
130°
Visib
10+ km
Ceil
—
Observed weather patterns
- • 18 of 503 long rollouts (4%) coincided with visibility below 1 mile, 1.5× the rate observed during clear conditions.
Statistical association, not causation. Last 30 days.
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
3,083
DAL
Delta AIR Lines
1,286
SKW
SKY West Aviation
1,141
QXE
Horizon AIR Industries
660
UAL
United Airlines
362
SWA
Southwest Airlines Co. (SAN Antonio
304
Show 34 more carriers →
AAL
American Airlines
295
FFT
Frontier Airlines
53
FDX
Federal Express
53
ABX
ABX AIR
52
ATN
AIR Transport International (Little Rock
47
CFS
Empire Airlines (Hayden Lake
45
JZA
Jazz Aviation
44
ENY
Envoy AIR
39
JBU
Jetblue Airways Corporation (NEW York
35
BAW
British Airways
33
ICE
Icelandair
28
DLH
Deutsche Lufthansa
27
WJA
Westjet Airlines
26
VOI
Concesionaria Vuela Compania de Aviacion
26
KAL
Korean AIR Lines
26
EVA
EVA Airways
22
AMX
Aerovias de Mexico
20
THY
Turk Hava Yollari (Turkish Airlines Co.)
18
CAL
China Airlines
18
JAL
Japan Airlines
18
ANA
ALL Nippon Airways
18
QTR
Qatar Airways Group Q.C.S.C.
16
EIN
AER Lingus Teoranta
15
SJX
Starlux Airlines
14
CFG
Condor Flugdienst
13
ACA
AIR Canada
13
UAE
Emirates
13
VIR
Virgin Atlantic
13
AIH
AIR Incheon
11
SIA
Singapore Airlines
10
CPA
Cathay Pacific Airways
10
AFR
AIR France
10
SCX
MN Airlines
10
PAL
Philippine AIR Lines Inc. (PAL)
10
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 |
148 | 3h 26m |
SEAPDX Portland, US |
SKW
SKY West Aviation |
125 | 0h 56m |
SEAGEG Spokane, US |
SKW
SKY West Aviation |
109 | 1h 2m |
SEALAX Los Angeles, US |
ASA
Alaska Airlines |
103 | 2h 33m |
SEALAS Las Vegas, US |
ASA
Alaska Airlines |
92 | 2h 30m |
SEASFO San Francisco, US |
ASA
Alaska Airlines |
91 | 2h 5m |
SEAPHX Phoenix, US |
ASA
Alaska Airlines |
89 | 2h 52m |
SEABOI Boise, US |
SKW
SKY West Aviation |
88 | 1h 26m |
SEASAN San Diego, US |
ASA
Alaska Airlines |
86 | 2h 46m |
SEADFW Dallas-Fort Worth, US |
AAL
American Airlines |
85 | 4h 5m |
SEAATL Atlanta, US |
DAL
Delta AIR Lines |
78 | 4h 49m |
SEALAX Los Angeles, US |
DAL
Delta AIR Lines |
78 | 2h 32m |
SEASLC Salt Lake City, US |
DAL
Delta AIR Lines |
77 | 1h 58m |
SEASNA Santa Ana, US |
ASA
Alaska Airlines |
76 | 2h 34m |
SEAJNU Juneau, US |
ASA
Alaska Airlines |
70 | 3h 20m |
SEALAX Los Angeles, US |
SKW
SKY West Aviation |
66 | 2h 39m |
SEAHNL Honolulu, US |
ASA
Alaska Airlines |
65 | 5h 42m |
SEAGEG Spokane, US |
ASA
Alaska Airlines |
64 | 1h 1m |
SEASMF Sacramento, US |
SKW
SKY West Aviation |
61 | 1h 48m |
SEAYVR Vancouver, CA |
QXE
Horizon AIR Industries |
60 | 0h 44m |
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 11:39 UTC