Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

STL → SEA

1,168 km avg 3h 21m 2 airlines

Departure

STL KSTL VFR

St. Louis Lambert International Airport

St Louis, US

Local time
08:57 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
618 ft
Coordinates
38.7487, -90.3700

cloud Weather

Wind
110° / 6 kt
Visibility
10 SM
Ceiling
FEW 3,000 ft, BKN 13,000 ft, BKN 25,000 ft
Temp / Dew
24°C / 18°C
Altimeter
29.96 inHg

Obs: 2026-05-30T13:51:00.000Z

Raw METAR / TAF 
METAR KSTL 301351Z 11006KT 10SM FEW030 BKN130 BKN250 24/18 A2996 RMK AO2 SLP135 T02440183 $

TAF KSTL 301122Z 3012/3118 09006KT P6SM BKN090 PROB30 3018/3023 4SM -TSRA OVC040CB FM311300 13006KT P6SM BKN110

flight Live Traffic

flight_takeoff 89 Departures
flight_land 91 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
06:57 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 1,100 ft, SCT 5,000 ft, BKN 25,000 ft
Temp / Dew
8°C / 7°C
Altimeter
30.23 inHg

Obs: 2026-05-30T12:53:00.000Z

Raw METAR / TAF 
METAR KSEA 301253Z 00000KT 10SM FEW011 SCT050 BKN250 08/07 A3023 RMK AO2 SLP244 T00780067 $

TAF KSEA 301120Z 3012/3118 09006KT P6SM FEW015 OVC050 FM301500 14005KT P6SM BKN030 OVC040 FM301900 28006KT P6SM BKN070 FM302200 31008KT P6SM SCT070 BKN250 FM310200 02009KT P6SM BKN250 FM310800 03007KT P6SM BKN250

flight Live Traffic

flight_takeoff 225 Departures
flight_land 307 Arrivals
Flights tracked
129 showing last 50
Avg duration
3h 21m
Distance
1,168 km

Live traffic

STL → SEA. Live aircraft currently filed on this route.

Airlines 2

Airline Flights shown
Southwest Airlines 26
Alaska Airlines 24

Other connections

More destinations from STL

More origins to SEA

Recent flights last 50

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-05-30 ASA473 A5320B May 30, 11:15 UTCMay 30, 12:45 UTC1h 30m -
2026-05-30 SWA4473 ABF9D5 May 30, 00:35 UTCMay 30, 03:50 UTC3h 15m -
2026-05-29 ASA473 AD6B0C May 29, 11:15 UTCMay 29, 14:45 UTC3h 30m -
2026-05-29 SWA4473 AC0BFB May 29, 00:35 UTCMay 29, 03:35 UTC3h 0m -
2026-05-29 SWA4473 AC0BFB May 29, 00:32 UTCMay 29, 03:30 UTC2h 58m +6m
2026-05-28 ASA473 A657B9 May 28, 11:15 UTCMay 28, 14:45 UTC3h 30m -
2026-05-28 SWA4473 AC4BDD May 28, 00:30 UTCMay 28, 03:30 UTC3h 0m -
2026-05-27 ASA473 A61F05 May 27, 11:15 UTCMay 27, 14:45 UTC3h 30m -
2026-05-27 SWA4473 ACA788 May 27, 01:14 UTCMay 27, 04:09 UTC2h 55m -
2026-05-26 ASA473 A9D9F2 May 26, 11:24 UTCMay 26, 15:00 UTC3h 35m -
2026-05-26 SWA4473 AB635D May 26, 00:24 UTCMay 26, 03:19 UTC2h 55m -
2026-05-25 ASA473 ACFFB4 May 25, 11:10 UTCMay 25, 15:00 UTC3h 50m -
2026-05-24 ASA473 AD7D9F May 24, 11:20 UTCMay 24, 15:20 UTC4h 0m -
2026-05-23 SWA4473 AA7B10 May 23, 22:10 UTCMay 24, 01:20 UTC3h 10m -
2026-05-23 SWA4473 AA7B10 May 23, 22:10 UTCMay 24, 01:14 UTC3h 4m +6m
2026-05-23 ASA473 A96E9A May 23, 11:10 UTCMay 23, 15:05 UTC3h 55m -
2026-05-23 SWA4473 ABB172 May 23, 00:55 UTCMay 23, 03:55 UTC2h 59m -
2026-05-22 ASA473 A5B3AD May 22, 11:21 UTCMay 22, 14:59 UTC3h 38m -1m
2026-05-22 ASA473 A5B3AD May 22, 11:15 UTCMay 22, 15:05 UTC3h 50m -
2026-05-22 SWA4473 AC0843 May 22, 00:53 UTCMay 22, 03:50 UTC2h 58m +11m
2026-05-22 SWA4473 AC0843 May 22, 00:55 UTCMay 22, 03:55 UTC3h 0m -
2026-05-21 ASA473 A96E9A May 21, 11:10 UTCMay 21, 15:00 UTC3h 50m -
2026-05-21 SWA4473 A2BB10 May 21, 00:05 UTCMay 21, 03:20 UTC3h 15m -
2026-05-21 SWA4473 A2BB10 May 21, 00:03 UTCMay 21, 03:16 UTC3h 14m +9m
2026-05-20 ASA473 A2D92A May 20, 11:30 UTCMay 20, 15:20 UTC3h 50m -
2026-05-20 SWA4473 AD7828 May 20, 05:45 UTCMay 20, 09:00 UTC3h 15m -
2026-05-19 ASA473 A1CC1F May 19, 11:20 UTCMay 19, 15:05 UTC3h 45m -
2026-05-19 SWA4473 ABE42C May 19, 01:25 UTCMay 19, 04:50 UTC3h 25m -
2026-05-18 ASA473 AD5FE7 May 18, 11:15 UTCMay 18, 15:15 UTC4h 0m -
2026-05-17 SWA4473 ABE872 May 17, 23:55 UTCMay 18, 03:40 UTC3h 45m -
2026-05-17 ASA473 A2C43E May 17, 11:30 UTCMay 17, 15:10 UTC3h 40m -
2026-05-17 ASA473 A2C43E May 17, 11:27 UTCMay 17, 14:57 UTC3h 30m +5m
2026-05-16 SWA4473 AA9E4A May 16, 22:10 UTCMay 17, 01:20 UTC3h 10m -
2026-05-16 ASA473 ACC1EB May 16, 11:16 UTCMay 16, 15:10 UTC3h 55m -
2026-05-16 SWA4473 ABBCC1 May 16, 01:10 UTCMay 16, 04:10 UTC3h 0m -
2026-05-15 ASA473 ADD2AD May 15, 11:15 UTCMay 15, 15:25 UTC4h 9m -
2026-05-15 SWA4473 ABC432 May 15, 01:25 UTCMay 15, 04:25 UTC3h 0m -
2026-05-14 ASA473 A29908 May 14, 11:20 UTCMay 14, 15:25 UTC4h 5m -
2026-05-13 SWA4473 A1A697 May 13, 23:45 UTCMay 14, 02:45 UTC3h 0m -
2026-05-13 SWA4473 A1A697 May 13, 23:44 UTCMay 14, 02:44 UTC3h 0m +3m
2026-05-13 ASA473 A2D573 May 13, 11:25 UTCMay 13, 15:20 UTC3h 55m -
2026-05-13 SWA4473 AA7E3A May 13, 01:05 UTCMay 13, 04:05 UTC3h 0m -
2026-05-12 ASA473 A24DC1 May 12, 12:10 UTCMay 12, 16:05 UTC3h 55m -
2026-05-12 SWA4473 AC1765 May 12, 02:45 UTCMay 12, 03:35 UTC50m -
2026-05-11 ASA473 A526E6 May 11, 12:20 UTCMay 11, 16:15 UTC3h 55m -
2026-05-10 SWA4473 ABE450 May 10, 23:44 UTCMay 11, 02:40 UTC2h 55m -
2026-05-10 ASA473 A9D63B May 10, 12:25 UTCMay 10, 16:25 UTC4h 0m -
2026-05-09 SWA4473 AAA5FF May 9, 22:39 UTCMay 10, 01:50 UTC3h 10m -
2026-05-09 SWA4473 AAA5FF May 9, 22:38 UTCMay 10, 01:47 UTC3h 9m +10m
2026-05-09 ASA473 A5939C May 9, 12:20 UTCMay 9, 16:15 UTC3h 55m -

STL → SEA frequently asked

How long is the flight from STL to SEA?
Average flight time on the STL–SEA route is 3h 21m, covering approximately 1,168 km (725 mi).
What is the distance from STL to SEA?
The great-circle distance from STL to SEA is approximately 1,168 km (725 miles).
Which airlines fly from STL to SEA?
2 airlines operate this route in our records: Southwest Airlines, Alaska Airlines.
How many flights per week from STL to SEA?
We've observed ~2 flights per day on this route across our tracking data (129 total flights recorded).
Can I track STL–SEA flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.