📍 Seattle⬆ 433 ft4 runways
KSEA · SEA
Seattle Tacoma International Airport
47.44900°N
-122.30900°W
ARR / DAY
310
▼
25.1%
DEP / DAY
304
▼
25.2%
ON-TIME
80.7%
Top 25%
arr · avg 1 min
dep · 87.1% · avg 11 min
cal
AVG DELAY
1 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 310 arrivals and 304 departures per day on average over the last 7 days, served by 28 carriers across 116 routes. The most active carrier is Alaska Airlines (ASA). The busiest route is to Los Angeles International Airport (KLAX). On-time performance averages 81% with an average delay of 1 minutes against scheduled times. At the busiest hour of an average day, we calculated that a plane takes off or lands roughly every 52 seconds.
Safety incidents
Last 7 days · 3 total
Current weather
Latest METAR observation
Temp
64°F
Wind
9 kts
210°
Visib
10+ km
Ceil
—
Delays by hour
Avg minutes · local time · last 30 days
PRO
Unlock full 24h
Top carriers
Share of flights
Top destinations
By flight count
Carriers
Alaska Airlines
1,529
DAL
Delta AIR Lines
645
SKW
SKY West Aviation
620
QXE
Horizon AIR Industries
419
UAL
United Airlines
190
SWA
Southwest Airlines Co. (SAN Antonio
183
Show 34 more carriers →
AAL
American Airlines
125
ABX
ABX AIR
50
FFT
Frontier Airlines
29
CFS
Empire Airlines (Hayden Lake
26
JZA
Jazz Aviation
25
ATN
AIR Transport International (Little Rock
24
BAW
British Airways
22
VOI
Concesionaria Vuela Compania de Aviacion
20
FDX
Federal Express
17
THY
Turk Hava Yollari (Turkish Airlines Co.)
15
ICE
Icelandair
15
KAL
Korean AIR Lines
14
JBU
Jetblue Airways Corporation (NEW York
14
DLH
Deutsche Lufthansa
13
EVA
EVA Airways
13
WJA
Westjet Airlines
12
SJX
Starlux Airlines
10
AMX
Aerovias de Mexico
10
ENY
Envoy AIR
9
UAE
Emirates
9
EIN
AER Lingus Teoranta
9
SCX
MN Airlines
8
CPA
Cathay Pacific Airways
8
CFG
Condor Flugdienst
8
SIA
Singapore Airlines
8
AAR
Asiana Airlines
8
JAL
Japan Airlines
8
EJA
Netjets Aviation
7
CAL
China Airlines
7
VIR
Virgin Atlantic
7
WEN
Westjet Encore
6
LXJ
Flexjet LLC (Richardson
6
PAL
Philippine AIR Lines Inc. (PAL)
6
ANA
ALL Nippon Airways
6
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 |
82 | 3h 22m |
SEAPDX Portland, US |
SKW
SKY West Aviation |
59 | 0h 58m |
SEAGEG Spokane, US |
SKW
SKY West Aviation |
58 | 1h 3m |
SEAYVR Vancouver, CA |
QXE
Horizon AIR Industries |
49 | 0h 50m |
SEALAX Los Angeles, US |
DAL
Delta AIR Lines |
47 | 2h 29m |
SEAJNU Juneau, US |
ASA
Alaska Airlines |
46 | 2h 56m |
SEASNA Santa Ana, US |
ASA
Alaska Airlines |
45 | 2h 30m |
SEALAX Los Angeles, US |
ASA
Alaska Airlines |
45 | 2h 30m |
SEASLC Salt Lake City, US |
DAL
Delta AIR Lines |
44 | 2h 1m |
SEAPSC Pasco, US |
SKW
SKY West Aviation |
43 | 0h 56m |
SEAPHX Phoenix, US |
ASA
Alaska Airlines |
42 | 2h 55m |
SEAYVR Vancouver, CA |
SKW
SKY West Aviation |
41 | 0h 52m |
SEAATL Atlanta, US |
DAL
Delta AIR Lines |
41 | 4h 47m |
SEALAS Las Vegas, US |
ASA
Alaska Airlines |
40 | 2h 26m |
SEASFO San Francisco, US |
ASA
Alaska Airlines |
40 | 2h 6m |
SEAPDX Portland, US |
QXE
Horizon AIR Industries |
39 | 0h 54m |
SEASMF Sacramento, US |
ASA
Alaska Airlines |
39 | 1h 50m |
SEASJC San Jose, US |
SKW
SKY West Aviation |
37 | 2h 4m |
SEASAN San Diego, US |
ASA
Alaska Airlines |
36 | 2h 43m |
SEABOI Boise, US |
SKW
SKY West Aviation |
36 | 1h 18m |
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 02:15 UTC