Apparatus

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flight_takeoff Flight

ASA551

Operated by Alaska Airlines

Live map

Live map filtered to ASA551. Shown when the flight is currently airborne.

Route airports View route page →

Departure

PHL KPHL VFR

Philadelphia International Airport

Philadelphia, US

Local time
06:22 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
36 ft
Coordinates
39.8719, -75.2411

cloud Weather

Wind
360° / 8 kt
Visibility
10 SM
Ceiling
FEW 32,000 ft
Temp / Dew
19°C / 10°C
Altimeter
30.20 inHg

Obs: 2026-08-29T09:54:00.000Z

Raw METAR / TAF 
METAR KPHL 290954Z 36008KT 10SM FEW320 19/10 A3020 RMK AO2 SLP224 T01890100 $

TAF KPHL 290901Z 2909/3012 01007KT P6SM SCT300 FM291300 04007KT P6SM SCT300 FM291900 18005KT P6SM SCT300 FM300300 21004KT P6SM FEW060 SCT300

flight Live Traffic

flight_takeoff 117 Departures
flight_land 148 Arrivals

Arrival

SEA KSEA MVFR

Seattle–Tacoma International Airport

Seattle, US

Local time
03:22 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
210° / 7 kt
Visibility
10 SM
Ceiling
BKN 2,400 ft, OVC 5,500 ft
Temp / Dew
15°C / 11°C
Altimeter
30.00 inHg

Obs: 2026-08-29T09:53:00.000Z

Raw METAR / TAF 
METAR KSEA 290953Z 21007KT 10SM BKN024 OVC055 15/11 A3000 RMK AO2 SLP164 T01500106 $

TAF KSEA 290850Z 2909/3012 19007KT P6SM VCSH BKN020 OVC035 FM291100 19006KT P6SM -SHRA BKN020 OVC030 FM291800 21007KT P6SM -SHRA SCT020 OVC030 FM292000 23008KT P6SM -SHRA SCT025 BKN040 FM300000 25008KT P6SM SCT050 BKN100

flight Live Traffic

flight_takeoff 102 Departures
flight_land 81 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A7B779 PHL → SEA Jul 26, 20:05 UTCJul 26, 22:15 UTC2h 10m - -
2026-07-25 A97608 PHL → SEA Jul 25, 20:05 UTCJul 25, 22:30 UTC2h 25m - -
2026-07-24 A29CBF PHL → SEA Jul 24, 21:05 UTCJul 24, 23:30 UTC2h 25m - -
2026-07-23 A4CE21 PHL → SEA Jul 23, 20:45 UTCJul 23, 23:10 UTC2h 25m - -
2026-07-22 AD8ED4 PHL → SEA Jul 22, 20:30 UTCJul 22, 22:55 UTC2h 25m - -
2026-07-21 A28A2C DFW → SAN Jul 21, 20:20 UTCJul 21, 22:50 UTC2h 30m - -
2026-07-20 A29CBF DFW → SAN Jul 20, 20:35 UTCJul 20, 23:00 UTC2h 25m - -
2026-07-19 ACB824 DFW → SAN Jul 19, 20:30 UTCJul 19, 22:55 UTC2h 25m - -
2026-07-18 A9AB05 DFW → SAN Jul 18, 20:25 UTCJul 18, 22:55 UTC2h 30m - -
2026-07-18 A9AB05 DFW → SAN Jul 18, 20:25 UTCJul 18, 22:49 UTC2h 24m +33m +9m
2026-07-17 A30460 DFW → SAN Jul 17, 20:25 UTCJul 17, 22:49 UTC2h 25m - -
2026-07-16 A5A11A DFW → SAN Jul 16, 21:13 UTCJul 16, 23:42 UTC2h 29m +81m +74m
2026-07-16 A5A11A DFW → SAN Jul 16, 21:15 UTCJul 16, 23:44 UTC2h 30m - -
2026-07-15 A2FCF2 - Jul 15, 21:15 UTCJul 15, 23:50 UTC2h 35m - -
2026-07-14 A5DB2C DFW → SAN Jul 14, 20:10 UTCJul 14, 22:35 UTC2h 25m - -
2026-07-13 A2FCF2 DFW → SAN Jul 13, 20:15 UTCJul 13, 22:40 UTC2h 25m - -
2026-07-12 AD1857 DFW → SAN Jul 12, 20:30 UTCJul 12, 22:55 UTC2h 25m - -
2026-07-11 AD8766 DFW → SAN Jul 11, 20:15 UTCJul 11, 22:35 UTC2h 20m - -
2026-07-10 A4B420 DFW → SAN Jul 10, 20:00 UTCJul 10, 22:30 UTC2h 30m - -
2026-07-09 A9E8CE DFW → SAN Jul 9, 20:10 UTCJul 9, 22:40 UTC2h 30m - -
2026-07-08 A9D9F2 DFW → SAN Jul 8, 20:05 UTCJul 8, 22:35 UTC2h 30m - -
2026-07-07 A29908 DFW → SAN Jul 7, 20:15 UTCJul 7, 22:45 UTC2h 30m - -
2026-07-06 A61B4E - Jul 6, 20:05 UTCJul 6, 22:35 UTC2h 30m - -
2026-07-05 AB761C - Jul 5, 20:15 UTCJul 5, 22:50 UTC2h 35m - -
2026-07-04 A67F38 - Jul 4, 20:00 UTCJul 4, 22:40 UTC2h 40m - -
2026-07-03 AD8B1D DFW → SAN Jul 3, 21:08 UTCJul 3, 23:48 UTC2h 40m +76m +7m
2026-07-03 AD8B1D - Jul 3, 21:15 UTCJul 3, 23:50 UTC2h 35m - -
2026-07-02 A98386 DFW → SAN Jul 2, 20:40 UTCJul 2, 23:16 UTC2h 36m +48m +34m
2026-07-02 A98386 - Jul 2, 20:45 UTCJul 2, 23:20 UTC2h 35m - -
2026-07-01 A657B9 - Jul 1, 20:05 UTCJul 1, 22:45 UTC2h 40m - -

Performance history

Flights tracked
128 showing last 30
Avg arrival delay
+31m
On-time arrival
50% 50% on time
Aircraft used
24

Monthly activity 4 months

Month Flights tracked
July 2026 30
June 2026 34
May 2026 40
April 2026 24

ASA551 frequently asked

Where does flight ASA551 fly?
ASA551 (Alaska Airlines) flies from PHL to SEA. View the full route page.
How long is flight ASA551?
Based on observed flights, ASA551 takes on average 2h 29m from takeoff to landing.
How often does ASA551 fly?
ASA551 has been observed flying daily in our tracking data. We've recorded 128 flights under this callsign.
Is flight ASA551 usually on time?
Across recent flights, ASA551 arrives with an average 31-minute delay. 50% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA551?
ASA551 has been operated by 24 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA551 live?
Yes. When ASA551 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.