📍 Seattle⬆ 433 ft4 runways
KSEA · SEA
Seattle Tacoma International Airport
47.44900°N
-122.30900°W
ARR / DAY
318
▼
51.5%
DEP / DAY
309
▼
52.7%
ON-TIME
82.9%
Top 25%
arr · avg -2 min
dep · 89.6% · 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 318 arrivals and 309 departures per day on average over the last 7 days, served by 30 carriers across 128 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 46 seconds.
Safety incidents
Last 7 days · 2 total
Current weather
Latest METAR observation
Temp
79°F
Wind
9 kts
240°
Visib
10+ km
Ceil
—
Observed weather patterns
- • 20 of 1670 long rollouts (1%) 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
1,606
DAL
Delta AIR Lines
669
SKW
SKY West Aviation
524
QXE
Horizon AIR Industries
414
UAL
United Airlines
204
SWA
Southwest Airlines Co. (SAN Antonio
174
Show 34 more carriers →
AAL
American Airlines
135
ABX
ABX AIR
41
ATN
AIR Transport International (Little Rock
31
FFT
Frontier Airlines
29
FDX
Federal Express
29
CFS
Empire Airlines (Hayden Lake
27
JZA
Jazz Aviation
27
ICE
Icelandair
25
DLH
Deutsche Lufthansa
21
BAW
British Airways
20
JBU
Jetblue Airways Corporation (NEW York
19
VOI
Concesionaria Vuela Compania de Aviacion
18
KAL
Korean AIR Lines
16
SCX
MN Airlines
15
CAL
China Airlines
15
THY
Turk Hava Yollari (Turkish Airlines Co.)
14
ENY
Envoy AIR
14
WJA
Westjet Airlines
14
EJA
Netjets Aviation
13
QTR
Qatar Airways Group Q.C.S.C.
11
EVA
EVA Airways
11
AMX
Aerovias de Mexico
10
CFG
Condor Flugdienst
10
JAL
Japan Airlines
9
UAE
Emirates
9
SIA
Singapore Airlines
8
WEN
Westjet Encore
8
VIR
Virgin Atlantic
8
AAR
Asiana Airlines
8
ACA
AIR Canada
7
AIH
AIR Incheon
7
SJX
Starlux Airlines
7
LXJ
Flexjet LLC (Richardson
7
CHH
Hainan Airlines Holding
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 |
93 | 3h 22m |
SEAJNU Juneau, US |
ASA
Alaska Airlines |
53 | 3h 2m |
SEALAX Los Angeles, US |
ASA
Alaska Airlines |
50 | 2h 31m |
SEASAN San Diego, US |
ASA
Alaska Airlines |
49 | 2h 43m |
SEAPDX Portland, US |
SKW
SKY West Aviation |
46 | 0h 56m |
SEASFO San Francisco, US |
ASA
Alaska Airlines |
45 | 2h 3m |
SEAATL Atlanta, US |
DAL
Delta AIR Lines |
43 | 4h 47m |
SEAYVR Vancouver, CA |
QXE
Horizon AIR Industries |
42 | 0h 55m |
SEALAX Los Angeles, US |
DAL
Delta AIR Lines |
41 | 2h 29m |
SEAGEG Spokane, US |
SKW
SKY West Aviation |
41 | 1h 5m |
SEALAS Las Vegas, US |
ASA
Alaska Airlines |
40 | 2h 28m |
SEASNA Santa Ana, US |
ASA
Alaska Airlines |
38 | 2h 28m |
SEAPDX Portland, US |
QXE
Horizon AIR Industries |
37 | 0h 54m |
SEASLC Salt Lake City, US |
DAL
Delta AIR Lines |
37 | 1h 55m |
SEABOI Boise, US |
SKW
SKY West Aviation |
36 | 1h 19m |
SEASFO San Francisco, US |
UAL
United Airlines |
35 | 2h 6m |
SEAMSP Minneapolis, US |
DAL
Delta AIR Lines |
32 | 3h 15m |
SEAPDX Portland, US |
ASA
Alaska Airlines |
31 | 1h 17m |
SEAFAI Fairbanks, US |
ASA
Alaska Airlines |
31 | 3h 31m |
SEAHNL Honolulu, US |
ASA
Alaska Airlines |
31 | 5h 38m |
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 00:41 UTC