Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

STL → SEA

2,744 km avg 3h 27m 2 airlines

Departure

STL KSTL VFR

St. Louis Lambert International Airport

St Louis, US

Local time
21:04 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
618 ft
Coordinates
38.7487, -90.3700

cloud Weather

Wind
60° / 3 kt
Visibility
10 SM
Ceiling
BKN 25,000 ft
Temp / Dew
24°C / 15°C
Altimeter
30.11 inHg

Obs: 2026-08-29T01:51:00.000Z

Raw METAR / TAF 
METAR KSTL 290151Z 06003KT 10SM BKN250 24/15 A3011 RMK AO2 SLP188 T02390150

TAF KSTL 282325Z 2900/3006 VRB03KT P6SM FEW250 FM291600 16008KT P6SM FEW070 SCT250

flight Live Traffic

flight_takeoff 70 Departures
flight_land 49 Arrivals

Arrival

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
19:04 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
250° / 5 kt
Visibility
10 SM
Ceiling
FEW 4,000 ft, BKN 6,000 ft
Temp / Dew
21°C / 11°C
Altimeter
29.99 inHg

Obs: 2026-08-29T01:53:00.000Z

Raw METAR / TAF 
METAR KSEA 290153Z 25005KT 10SM FEW040 BKN060 21/11 A2999 RMK AO2 SLP158 T02060106 $

TAF KSEA 282322Z 2900/3006 23009KT P6SM SCT025 BKN050 FM290200 32006KT P6SM BKN050 FM290800 19007KT P6SM -SHRA OVC030 FM291100 19006KT P6SM -SHRA BKN025 OVC030 FM291800 21007KT P6SM -SHRA SCT020 OVC030 FM292000 23008KT P6SM -SHRA SCT025 BKN040

flight Live Traffic

flight_takeoff 180 Departures
flight_land 208 Arrivals
Flights tracked
260 showing last 50
Avg duration
3h 27m
Distance
2,744 km

Live traffic

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

Airlines 2

Airline Flights shown
Southwest Airlines 4
Alaska Airlines 2

Recent flights last 50

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-07-26 ASA473 AD5269 Jul 26, 11:05 UTCJul 26, 15:00 UTC3h 55m -
2026-07-25 ASA473 A4CE21 Jul 25, 11:20 UTCJul 25, 15:15 UTC3h 55m -
2026-07-24 SWA4473 ABB507 Jul 24, 18:15 UTCJul 24, 19:05 UTC50m -
2026-07-24 ASA473 A30460 Jul 24, 11:15 UTCJul 24, 15:20 UTC4h 5m -
2026-07-23 SWA4473 ABF96C Jul 23, 17:55 UTCJul 23, 18:45 UTC50m -
2026-07-23 ASA473 AD7D9F Jul 23, 11:10 UTCJul 23, 14:55 UTC3h 45m -
2026-07-23 ASA473 AD7D9F Jul 23, 11:09 UTCJul 23, 14:55 UTC3h 46m +2m
2026-07-22 SWA3981 AC6A1F Jul 22, 17:25 UTCJul 22, 21:10 UTC3h 45m -
2026-07-21 ASA473 ACE96A Jul 21, 11:10 UTCJul 21, 15:05 UTC3h 55m -
2026-07-20 SWA4473 AC4FB5 Jul 20, 18:15 UTCJul 20, 19:00 UTC45m -
2026-07-20 SWA3981 AC3ADF Jul 20, 17:20 UTCJul 20, 21:05 UTC3h 45m -
2026-07-20 ASA473 A3133C Jul 20, 11:10 UTCJul 20, 14:55 UTC3h 45m -
2026-07-19 ASA473 A9D9F2 Jul 19, 11:10 UTCJul 19, 14:55 UTC3h 45m -
2026-07-19 ASA647 AD1857 Jul 19, 01:00 UTCJul 19, 04:45 UTC3h 45m -
2026-07-18 SWA3981 AC36EF Jul 18, 17:40 UTCJul 18, 21:20 UTC3h 40m -
2026-07-18 ASA473 A97608 Jul 18, 11:10 UTCJul 18, 14:50 UTC3h 40m -
2026-07-18 ASA647 AD3C1F Jul 18, 01:25 UTCJul 18, 05:00 UTC3h 36m -
2026-07-17 SWA4473 A63BF4 Jul 17, 18:05 UTCJul 17, 19:05 UTC1h 0m -
2026-07-17 SWA3981 AC3AC9 Jul 17, 17:05 UTCJul 17, 20:39 UTC3h 35m +18m
2026-07-17 ASA473 A5B3AD Jul 17, 14:10 UTCJul 17, 17:55 UTC3h 45m -
2026-07-17 ASA473 A5B3AD Jul 17, 14:21 UTCJul 17, 17:47 UTC3h 26m -106m
2026-07-16 SWA3981 ABD9D9 Jul 16, 17:00 UTCJul 16, 20:49 UTC3h 50m -
2026-07-16 SWA3981 ABD9D9 Jul 16, 16:59 UTCJul 16, 20:46 UTC3h 47m +24m
2026-07-16 ASA473 A30460 Jul 16, 11:10 UTCJul 16, 14:50 UTC3h 40m -
2026-07-16 ASA647 A29CBF Jul 16, 01:10 UTCJul 16, 04:50 UTC3h 40m -
2026-07-15 ASA618 A300A9 Jul 15, 20:05 UTCJul 15, 23:55 UTC3h 50m -
2026-07-15 SWA3981 AC3338 Jul 15, 17:20 UTCJul 15, 20:50 UTC3h 30m -
2026-07-15 ASA473 AD4AFB Jul 15, 11:20 UTCJul 15, 14:55 UTC3h 35m -
2026-07-15 ASA647 A2FCF2 Jul 15, 01:20 UTCJul 15, 04:50 UTC3h 30m -
2026-07-14 ASA618 A9D63B Jul 14, 20:10 UTCJul 14, 23:45 UTC3h 34m -
2026-07-14 SWA3981 AC5F42 Jul 14, 17:30 UTCJul 14, 20:55 UTC3h 25m -
2026-07-14 ASA473 AD5269 Jul 14, 11:10 UTCJul 14, 14:45 UTC3h 35m -
2026-07-14 ASA647 ACE96A Jul 14, 01:15 UTCJul 14, 04:50 UTC3h 35m -
2026-07-13 ASA618 AD8ED4 Jul 13, 20:50 UTCJul 14, 00:25 UTC3h 35m -
2026-07-13 SWA3981 AC5AB7 Jul 13, 17:50 UTCJul 13, 21:10 UTC3h 20m -
2026-07-13 ASA473 A2ADF4 Jul 13, 11:10 UTCJul 13, 14:40 UTC3h 30m -
2026-07-13 ASA473 A2ADF4 Jul 13, 11:07 UTCJul 13, 14:33 UTC3h 26m +8m
2026-07-13 ASA647 A9B273 Jul 13, 00:55 UTCJul 13, 04:40 UTC3h 45m -
2026-07-13 ASA647 A9B273 Jul 13, 00:55 UTCJul 13, 04:28 UTC3h 33m -8m
2026-07-12 ASA618 A2ADF4 Jul 12, 20:01 UTCJul 12, 23:45 UTC3h 45m -
2026-07-12 SWA3981 AD3A5F Jul 12, 17:10 UTCJul 12, 20:50 UTC3h 40m -
2026-07-12 ASA473 A9B62A Jul 12, 11:15 UTCJul 12, 15:01 UTC3h 45m -
2026-07-12 ASA647 A9873D Jul 12, 01:05 UTCJul 12, 04:45 UTC3h 40m -
2026-07-11 ASA618 ADD2AD Jul 11, 20:40 UTCJul 12, 00:25 UTC3h 45m -
2026-07-11 ASA473 A2CE05 Jul 11, 11:20 UTCJul 11, 15:10 UTC3h 50m -
2026-07-11 ASA647 A25B3F Jul 11, 02:05 UTCJul 11, 05:50 UTC3h 45m -
2026-07-10 ASA618 A9D63B Jul 10, 19:55 UTCJul 10, 23:35 UTC3h 40m -
2026-07-10 ASA473 A9672C Jul 10, 11:23 UTCJul 10, 14:59 UTC3h 36m +14m
2026-07-10 ASA647 A2C087 Jul 10, 01:40 UTCJul 10, 05:30 UTC3h 50m -
2026-07-09 ASA618 AD5FE7 Jul 9, 20:15 UTCJul 10, 00:00 UTC3h 45m -

STL → SEA frequently asked

How long is the flight from STL to SEA?
Average flight time on the STL–SEA route is 3h 27m, covering approximately 2,744 km (1,704 mi).
What is the distance from STL to SEA?
The great-circle distance from STL to SEA is approximately 2,744 km (1,704 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 ~3 flights per day on this route across our tracking data (260 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.