Apparatus

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flight_takeoff Flight

ASA639

Operated by Alaska Airlines

Live map

Live map filtered to ASA639. Shown when the flight is currently airborne.

Route airports View route page →

Departure

PHX KPHX VFR

Phoenix Sky Harbor International Airport

Phoenix, US

Local time
13:24 MST
Timezone
America/Phoenix
Type
Large Airport
Elevation
1,135 ft
Coordinates
33.4353, -112.0059

cloud Weather

Wind
VRB / 3 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft, FEW 20,000 ft, BKN 25,000 ft, BKN 29,000 ft
Temp / Dew
42°C / 14°C
Altimeter
29.86 inHg

Obs: 2026-08-28T19:51:00.000Z

Raw METAR / TAF 
METAR KPHX 281951Z VRB03KT 10SM FEW100 FEW200 BKN250 BKN290 42/14 A2986 RMK AO2 SLP088 CB DSNT N AND NE T04220144

TAF KPHX 281724Z 2818/2924 17005KT P6SM SCT150 BKN250 FM282200 26008KT P6SM FEW120 FEW150 BKN250 TEMPO 2904/2906 18017G25KT 6SM HZ FM290800 12008KT P6SM VCSH SCT100 SCT150 BKN200 FM291200 12004KT P6SM FEW150 SCT250 FM291700 26007KT P6SM FEW150 FEW250

flight Live Traffic

flight_takeoff 110 Departures
flight_land 103 Arrivals

Arrival

SEA KSEA MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
13:24 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
190° / 5 kt
Visibility
10 SM
Ceiling
SCT 2,400 ft, BKN 3,000 ft, BKN 4,900 ft
Temp / Dew
20°C / 12°C
Altimeter
30.06 inHg

Obs: 2026-08-28T19:53:00.000Z

Raw METAR / TAF 
METAR KSEA 281953Z 19005KT 10SM SCT024 BKN030 BKN049 20/12 A3006 RMK AO2 SLP184 T02000117 $

TAF KSEA 281727Z 2818/2924 22005KT P6SM BKN025 BKN035 FM282100 26006KT P6SM BKN050 FM290200 32006KT P6SM BKN050 FM290800 19007KT P6SM -SHRA OVC035 FM291100 19006KT P6SM -SHRA BKN025 OVC030 FM291800 21007KT P6SM -SHRA SCT020 OVC030

flight Live Traffic

flight_takeoff 152 Departures
flight_land 123 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A5C4E2 PHX → SEA Jul 26, 04:45 UTCJul 26, 09:30 UTC4h 46m - -
2026-07-25 ADA51E PHX → SEA Jul 25, 04:40 UTCJul 25, 09:25 UTC4h 45m - -
2026-07-24 AD438D PHX → SEA Jul 24, 04:35 UTCJul 24, 09:25 UTC4h 50m - -
2026-07-23 A2EBBD PHX → SEA Jul 23, 05:00 UTCJul 23, 09:40 UTC4h 40m - -
2026-07-22 A5B3AD PHX → SEA Jul 22, 04:35 UTCJul 22, 05:25 UTC50m - -
2026-07-21 A2D573 PHX → SEA Jul 21, 04:35 UTCJul 21, 09:20 UTC4h 45m - -
2026-07-20 A28A2C PHX → SEA Jul 20, 05:10 UTCJul 20, 10:00 UTC4h 50m - -
2026-07-19 A27F07 PHX → SEA Jul 19, 05:15 UTCJul 19, 10:10 UTC4h 55m - -
2026-07-18 A300A9 SEA → TPA Jul 18, 04:35 UTCJul 18, 09:35 UTC5h 0m - -
2026-07-17 A51968 SEA → TPA Jul 17, 06:20 UTCJul 17, 11:15 UTC4h 55m - -
2026-07-16 A2EBBD SEA → TPA Jul 16, 04:30 UTCJul 16, 09:35 UTC5h 5m - -
2026-07-15 AD438D SEA → TPA Jul 15, 04:40 UTCJul 15, 09:40 UTC5h 0m - -
2026-07-15 AD438D SEA → TPA Jul 15, 04:37 UTCJul 15, 09:43 UTC5h 6m +19m +1m
2026-07-14 A97251 SEA → TPA Jul 14, 04:45 UTCJul 14, 09:40 UTC4h 55m - -
2026-07-13 A61F05 SEA → TPA Jul 13, 05:15 UTCJul 13, 10:10 UTC4h 55m - -
2026-07-12 ACF0D8 SEA → TPA Jul 12, 05:01 UTCJul 12, 09:45 UTC4h 45m - -
2026-07-11 A6CE36 - Jul 11, 04:30 UTCJul 11, 09:25 UTC4h 55m - -
2026-07-10 ACFBFD SEA → TPA Jul 10, 04:35 UTCJul 10, 09:35 UTC5h 0m - -
2026-07-09 A22642 SEA → TPA Jul 9, 06:50 UTCJul 9, 11:50 UTC5h 0m - -
2026-07-08 A30460 SEA → TPA Jul 8, 04:45 UTCJul 8, 09:35 UTC4h 50m - -
2026-07-07 A2F95C SEA → TPA Jul 7, 04:40 UTCJul 7, 09:35 UTC4h 55m - -
2026-07-06 A21ED4 SEA → TPA Jul 6, 04:45 UTCJul 6, 09:40 UTC4h 55m - -
2026-07-04 A57D52 SEA → TPA Jul 4, 04:25 UTCJul 4, 09:25 UTC5h 0m - -
2026-07-03 A5B764 SEA → TPA Jul 3, 04:30 UTCJul 3, 09:25 UTC4h 55m - -
2026-07-02 A4DF56 SEA → TPA Jul 2, 04:40 UTCJul 2, 09:40 UTC5h 0m - -
2026-07-01 A5A888 SEA → TPA Jul 1, 04:35 UTCJul 1, 09:40 UTC5h 5m - -
2026-06-30 A24A0A SEA → TPA Jun 30, 04:30 UTCJun 30, 09:30 UTC5h 0m - -
2026-06-29 AD928B SEA → TPA Jun 29, 04:34 UTCJun 29, 09:34 UTC5h 0m - -
2026-06-28 A2B919 - Jun 28, 04:35 UTCJun 28, 09:34 UTC5h 0m - -
2026-06-27 A2919A SEA → TPA Jun 27, 04:39 UTCJun 27, 09:40 UTC5h 0m - -

Performance history

Flights tracked
125 showing last 30
Avg arrival delay
+1m
On-time arrival
100% 100% on time
Aircraft used
27

Monthly activity 4 months

Month Flights tracked
July 2026 26
June 2026 34
May 2026 32
April 2026 33

ASA639 frequently asked

Where does flight ASA639 fly?
ASA639 (Alaska Airlines) flies from PHX to SEA. View the full route page.
How long is flight ASA639?
Based on observed flights, ASA639 takes on average 4h 47m from takeoff to landing.
How often does ASA639 fly?
ASA639 has been observed flying daily in our tracking data. We've recorded 125 flights under this callsign.
Is flight ASA639 usually on time?
Across recent flights, ASA639 arrives with an average 1-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA639?
ASA639 has been operated by 27 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA639 live?
Yes. When ASA639 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.