📍 Seattle⬆ 433 ft4 runways
KSEA · SEA
Seattle Tacoma International Airport
47.44900°N
-122.30900°W
ARR / DAY
413
▼
37.0%
DEP / DAY
404
▼
38.0%
ON-TIME
82.9%
Top 25%
arr · avg -2 min
dep · 89.7% · avg 6 min
cal
AVG DELAY
-2 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 413 arrivals and 404 departures per day on average over the last 7 days, served by 33 carriers across 135 routes. The most active carrier is Alaska Airlines (ASA). The busiest route is to Los Angeles International Airport (KLAX). On-time performance averages 83% with an average delay of -2 minutes against scheduled times. At the busiest hour of an average day, we calculated that a plane takes off or lands roughly every 44 seconds.
Safety incidents
Last 7 days · 2 total
Current weather
Latest METAR observation
Temp
75°F
Wind
9 kts
180°
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
2,101
DAL
Delta AIR Lines
876
SKW
SKY West Aviation
710
QXE
Horizon AIR Industries
553
UAL
United Airlines
258
SWA
Southwest Airlines Co. (SAN Antonio
240
Show 34 more carriers →
AAL
American Airlines
178
ABX
ABX AIR
50
FFT
Frontier Airlines
38
FDX
Federal Express
38
ATN
AIR Transport International (Little Rock
38
CFS
Empire Airlines (Hayden Lake
37
JZA
Jazz Aviation
35
ICE
Icelandair
31
JBU
Jetblue Airways Corporation (NEW York
26
DLH
Deutsche Lufthansa
24
BAW
British Airways
24
KAL
Korean AIR Lines
20
VOI
Concesionaria Vuela Compania de Aviacion
20
CAL
China Airlines
19
ENY
Envoy AIR
18
WJA
Westjet Airlines
18
EJA
Netjets Aviation
16
SCX
MN Airlines
16
THY
Turk Hava Yollari (Turkish Airlines Co.)
15
EVA
EVA Airways
13
AMX
Aerovias de Mexico
12
QTR
Qatar Airways Group Q.C.S.C.
12
CFG
Condor Flugdienst
12
JAL
Japan Airlines
11
UAE
Emirates
11
VIR
Virgin Atlantic
10
WEN
Westjet Encore
10
AAR
Asiana Airlines
10
SIA
Singapore Airlines
10
AIH
AIR Incheon
9
SJX
Starlux Airlines
9
AFR
AIR France
8
CHH
Hainan Airlines Holding
8
LXJ
Flexjet LLC (Richardson
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 |
119 | 3h 25m |
SEALAX Los Angeles, US |
ASA
Alaska Airlines |
66 | 2h 32m |
SEAJNU Juneau, US |
ASA
Alaska Airlines |
65 | 3h 2m |
SEASAN San Diego, US |
ASA
Alaska Airlines |
63 | 2h 43m |
SEASFO San Francisco, US |
ASA
Alaska Airlines |
63 | 2h 4m |
SEAPDX Portland, US |
SKW
SKY West Aviation |
62 | 0h 55m |
SEAGEG Spokane, US |
SKW
SKY West Aviation |
56 | 1h 4m |
SEAYVR Vancouver, CA |
QXE
Horizon AIR Industries |
54 | 0h 53m |
SEAATL Atlanta, US |
DAL
Delta AIR Lines |
54 | 4h 47m |
SEALAX Los Angeles, US |
DAL
Delta AIR Lines |
53 | 2h 28m |
SEALAS Las Vegas, US |
ASA
Alaska Airlines |
52 | 2h 27m |
SEASNA Santa Ana, US |
ASA
Alaska Airlines |
50 | 2h 28m |
SEASLC Salt Lake City, US |
DAL
Delta AIR Lines |
50 | 1h 56m |
SEAPDX Portland, US |
QXE
Horizon AIR Industries |
49 | 0h 56m |
SEABOI Boise, US |
SKW
SKY West Aviation |
49 | 1h 18m |
SEASFO San Francisco, US |
UAL
United Airlines |
44 | 2h 7m |
SEADFW Dallas-Fort Worth, US |
AAL
American Airlines |
42 | 3h 56m |
SEASMF Sacramento, US |
ASA
Alaska Airlines |
42 | 1h 47m |
SEAMSP Minneapolis, US |
DAL
Delta AIR Lines |
42 | 3h 17m |
SEAFAI Fairbanks, US |
ASA
Alaska Airlines |
41 | 3h 31m |
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 23:11 UTC