Apparatus

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flight_takeoff Flight

ASA4

Operated by Alaska Airlines

Live map

Live map filtered to ASA4. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SEA KSEA MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
01:11 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
200° / 7 kt
Visibility
10 SM
Ceiling
BKN 2,300 ft, OVC 3,300 ft
Temp / Dew
15°C / 11°C
Altimeter
30.01 inHg

Obs: 2026-08-29T07:53:00.000Z

Raw METAR / TAF 
METAR KSEA 290753Z 20007KT 10SM BKN023 OVC033 15/11 A3001 RMK AO2 SLP166 T01500111 402280139 $

TAF KSEA 290525Z 2906/3012 01008KT P6SM SCT050 BKN070 FM290800 19007KT P6SM -SHRA OVC030 FM291100 19006KT P6SM -SHRA BKN025 OVC030 FM291800 21007KT P6SM -SHRA SCT020 OVC030 FM292000 23008KT P6SM -SHRA SCT025 BKN040 FM300000 25008KT P6SM SCT050 BKN100

flight Live Traffic

flight_takeoff 189 Departures
flight_land 112 Arrivals

Arrival

DCA KDCA VFR

Ronald Reagan Washington National Airport

Washington, US

Local time
04:11 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
15 ft
Coordinates
38.8521, -77.0377

cloud Weather

Wind
340° / 6 kt
Visibility
10 SM
Ceiling
FEW 8,000 ft, FEW 25,000 ft
Temp / Dew
22°C / 19°C
Altimeter
30.14 inHg

Obs: 2026-08-29T07:52:00.000Z

Raw METAR / TAF 
METAR KDCA 290752Z 34006KT 10SM FEW080 FEW250 22/19 A3014 RMK AO2 SLP204 T02220194 $

TAF KDCA 290522Z 2906/3012 36003KT P6SM SKC FM291900 15006KT P6SM SCT070 FM300100 00000KT P6SM FEW070

flight Live Traffic

flight_takeoff 31 Departures
flight_land 44 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A73220 SEA → DCA Jul 26, 15:20 UTCJul 26, 19:30 UTC4h 10m - -
2026-07-25 A74E7A SEA → DCA Jul 25, 15:20 UTCJul 25, 19:40 UTC4h 20m - -
2026-07-24 A7398E SEA → DCA Jul 24, 15:25 UTCJul 24, 19:45 UTC4h 20m - -
2026-07-23 A6AA6E SEA → DCA Jul 23, 15:15 UTCJul 23, 19:40 UTC4h 25m - -
2026-07-22 A7B779 SEA → DCA Jul 22, 15:15 UTCJul 22, 19:30 UTC4h 15m - -
2026-07-21 A744B3 SEA → DCA Jul 21, 15:40 UTCJul 21, 20:05 UTC4h 25m - -
2026-07-20 A688FF SEA → DCA Jul 20, 15:30 UTCJul 20, 19:30 UTC4h 0m - -
2026-07-19 A6BBA3 SEA → DCA Jul 19, 15:30 UTCJul 19, 19:45 UTC4h 15m - -
2026-07-19 AB761C RDU → DCA Jul 19, 00:25 UTCJul 19, 01:10 UTC45m - -
2026-07-18 AB761C SEA → RDU Jul 18, 15:25 UTCJul 18, 20:45 UTC5h 20m - -
2026-07-17 A6C6C8 - Jul 17, 15:25 UTCJul 17, 20:04 UTC4h 40m - -
2026-07-16 A726FB SEA → DCA Jul 16, 15:35 UTCJul 16, 20:05 UTC4h 30m - -
2026-07-16 A726FB SEA → DCA Jul 16, 15:34 UTCJul 16, 19:50 UTC4h 16m +34m -1m
2026-07-15 A69424 SEA → DCA Jul 15, 15:45 UTCJul 15, 20:15 UTC4h 30m - -
2026-07-14 A6A300 SEA → DCA Jul 14, 16:36 UTCJul 14, 21:18 UTC4h 42m +96m +45m
2026-07-14 A6A300 SEA → DCA Jul 14, 16:40 UTCJul 14, 21:10 UTC4h 30m - -
2026-07-13 A7888C SEA → DCA Jul 13, 15:30 UTCJul 13, 20:00 UTC4h 30m - -
2026-07-12 A6504B SEA → DCA Jul 12, 15:10 UTCJul 12, 19:40 UTC4h 30m - -
2026-07-11 A73220 SEA → DCA Jul 11, 15:25 UTCJul 11, 20:00 UTC4h 35m - -
2026-07-10 A7AC54 SEA → DCA Jul 10, 16:00 UTCJul 10, 20:40 UTC4h 40m - -
2026-07-09 AB1842 SEA → DCA Jul 9, 15:25 UTCJul 9, 20:20 UTC4h 55m - -
2026-07-08 A69B92 SEA → DCA Jul 8, 15:35 UTCJul 8, 20:05 UTC4h 30m - -
2026-07-07 A677CA SEA → DCA Jul 7, 15:30 UTCJul 7, 20:20 UTC4h 50m - -
2026-07-06 A7398E SEA → DCA Jul 6, 16:00 UTCJul 6, 20:35 UTC4h 35m - -
2026-07-05 AB10D4 SEA → DCA Jul 5, 15:30 UTCJul 5, 20:05 UTC4h 35m - -
2026-07-03 A71D34 SEA → DCA Jul 3, 15:30 UTCJul 3, 20:05 UTC4h 35m - -
2026-07-02 AB1842 SEA → DCA Jul 2, 15:30 UTCJul 2, 20:10 UTC4h 40m - -
2026-07-01 A7486A SEA → DCA Jul 1, 15:15 UTCJul 1, 19:50 UTC4h 35m - -
2026-06-30 A79768 SEA → DCA Jun 30, 15:35 UTCJun 30, 20:05 UTC4h 30m - -
2026-06-29 A697DB SEA → DCA Jun 29, 15:19 UTCJun 29, 20:04 UTC4h 45m - -

Performance history

Flights tracked
132 showing last 30
Avg arrival delay
+22m
On-time arrival
50% 50% on time
Aircraft used
24

Monthly activity 4 months

Month Flights tracked
July 2026 28
June 2026 36
May 2026 36
April 2026 32

ASA4 frequently asked

Where does flight ASA4 fly?
ASA4 (Alaska Airlines) flies from SEA to DCA. View the full route page.
How long is flight ASA4?
Based on observed flights, ASA4 takes on average 4h 24m from takeoff to landing.
How often does ASA4 fly?
ASA4 has been observed flying daily in our tracking data. We've recorded 132 flights under this callsign.
Is flight ASA4 usually on time?
Across recent flights, ASA4 arrives with an average 22-minute delay. 50% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA4?
ASA4 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA4 live?
Yes. When ASA4 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.