📍 Seattle⬆ 433 ft4 runways
KSEA · SEA
Seattle Tacoma International Airport
47.44900°N
-122.30900°W
ARR / DAY
513
▼
18.4%
DEP / DAY
497
▼
20.1%
ON-TIME
80.8%
Top 25%
arr · avg -2 min
dep · 84.6% · avg 10 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 513 arrivals and 497 departures per day on average over the last 7 days, served by 34 carriers across 139 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 -2 minutes against scheduled times. At the busiest hour of an average day, we calculated that a plane takes off or lands roughly every 42 seconds.
Safety incidents
Last 7 days · 2 total
Current weather
Latest METAR observation
Temp
77°F
Wind
4 kts
260°
Visib
10+ km
Ceil
—
Observed weather patterns
- • 20 of 1399 long rollouts (1%) coincided with visibility below 1 mile, 1.6× the rate observed during clear conditions.
Statistical association, not causation. Last 30 days.
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
2,628
DAL
Delta AIR Lines
1,081
SKW
SKY West Aviation
922
QXE
Horizon AIR Industries
613
UAL
United Airlines
327
SWA
Southwest Airlines Co. (SAN Antonio
310
Show 34 more carriers →
AAL
American Airlines
252
FFT
Frontier Airlines
52
ABX
ABX AIR
51
ATN
AIR Transport International (Little Rock
43
JZA
Jazz Aviation
41
FDX
Federal Express
38
ICE
Icelandair
37
CFS
Empire Airlines (Hayden Lake
36
JBU
Jetblue Airways Corporation (NEW York
34
DLH
Deutsche Lufthansa
26
BAW
British Airways
25
ENY
Envoy AIR
23
KAL
Korean AIR Lines
22
VOI
Concesionaria Vuela Compania de Aviacion
22
SCX
MN Airlines
20
WJA
Westjet Airlines
18
CAL
China Airlines
18
AMX
Aerovias de Mexico
17
EVA
EVA Airways
16
THY
Turk Hava Yollari (Turkish Airlines Co.)
16
QTR
Qatar Airways Group Q.C.S.C.
15
ACA
AIR Canada
13
JAL
Japan Airlines
13
UAE
Emirates
13
WEN
Westjet Encore
12
CFG
Condor Flugdienst
12
VIR
Virgin Atlantic
11
SJX
Starlux Airlines
10
SIA
Singapore Airlines
10
EJA
Netjets Aviation
9
CPA
Cathay Pacific Airways
9
AAR
Asiana Airlines
9
SAS
Scandinavian Airlines System
9
ANA
ALL Nippon Airways
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 |
158 | 3h 22m |
SEAPDX Portland, US |
SKW
SKY West Aviation |
91 | 0h 58m |
SEALAX Los Angeles, US |
ASA
Alaska Airlines |
86 | 2h 31m |
SEAJNU Juneau, US |
ASA
Alaska Airlines |
81 | 2h 46m |
SEASFO San Francisco, US |
ASA
Alaska Airlines |
80 | 2h 15m |
SEASAN San Diego, US |
ASA
Alaska Airlines |
76 | 2h 41m |
SEAGEG Spokane, US |
SKW
SKY West Aviation |
69 | 1h 4m |
SEALAX Los Angeles, US |
DAL
Delta AIR Lines |
68 | 2h 47m |
SEALAS Las Vegas, US |
ASA
Alaska Airlines |
65 | 2h 25m |
SEAATL Atlanta, US |
DAL
Delta AIR Lines |
64 | 4h 47m |
SEABOI Boise, US |
SKW
SKY West Aviation |
64 | 1h 17m |
SEASLC Salt Lake City, US |
DAL
Delta AIR Lines |
60 | 1h 56m |
SEAORD Chicago, US |
ASA
Alaska Airlines |
59 | 4h 3m |
SEASNA Santa Ana, US |
ASA
Alaska Airlines |
57 | 2h 30m |
SEAMSP Minneapolis, US |
DAL
Delta AIR Lines |
56 | 3h 20m |
SEAYVR Vancouver, CA |
QXE
Horizon AIR Industries |
55 | 0h 52m |
SEAYVR Vancouver, CA |
SKW
SKY West Aviation |
55 | 0h 53m |
SEASJC San Jose, US |
ASA
Alaska Airlines |
55 | 2h 2m |
SEADFW Dallas-Fort Worth, US |
AAL
American Airlines |
54 | 4h 1m |
SEASFO San Francisco, US |
UAL
United Airlines |
52 | 2h 10m |
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 01:06 UTC