Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

ASA638

Operated by Alaska Airlines

Live map

Live map filtered to ASA638. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SEA KSEA VFR

Seattle–Tacoma International Airport

Seattle, US

Local time
23:46 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
433 ft
Coordinates
47.4479, -122.3103

cloud Weather

Wind
220° / 11 kt
Visibility
10 SM
Ceiling
BKN 5,500 ft
Temp / Dew
15°C / 10°C
Altimeter
30.10 inHg

Obs: 2026-08-30T05:53:00.000Z

Raw METAR / TAF 
METAR KSEA 300553Z 22011KT 10SM BKN055 15/10 A3010 RMK AO2 SLP199 60000 T01500100 10200 20150 51014 $

TAF KSEA 300520Z 3006/3112 22008KT P6SM SCT070 SCT090 FM300900 19005KT P6SM OVC050 FM301500 21006KT P6SM BKN025 OVC035 FM301900 23005KT P6SM SCT025 OVC035 FM302100 27006KT P6SM BKN070 FM310000 01005KT P6SM SCT100 FM310300 36007KT P6SM SCT100

flight Live Traffic

flight_takeoff 352 Departures
flight_land 337 Arrivals

Arrival

TUS KTUS VFR

Tucson International Airport

Tucson, US

Local time
23:46 MST
Timezone
America/Phoenix
Type
Large Airport
Elevation
2,643 ft
Coordinates
32.1150, -110.9381

cloud Weather

Wind
120° / 5 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
28°C / 16°C
Altimeter
29.99 inHg

Obs: 2026-08-30T05:53:00.000Z

Raw METAR / TAF 
METAR KTUS 300553Z 12005KT 10SM CLR 28/16 A2999 RMK AO2 SLP100 T02780161 10333 20278 50002

TAF KTUS 300520Z 3006/3106 26007KT P6SM SCT140 OVC200 FM300800 15007KT P6SM BKN200 FM301800 24006KT P6SM SCT100 FM302100 27008KT P6SM SCT100 BKN150 FM310200 18012KT P6SM VCTS BKN090CB

flight Live Traffic

flight_takeoff 3 Departures
flight_land 8 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 ADB653 SEA → TUS Jul 26, 02:45 UTCJul 26, 04:10 UTC1h 25m - -
2026-07-25 A5A11A SEA → TUS Jul 25, 04:00 UTCJul 25, 05:30 UTC1h 30m - -
2026-07-24 A61F05 SEA → TUS Jul 24, 03:45 UTCJul 24, 05:05 UTC1h 20m - -
2026-07-23 ACE96A SEA → TUS Jul 23, 02:35 UTCJul 23, 04:10 UTC1h 35m - -
2026-07-22 AD4AFB SEA → TUS Jul 22, 02:45 UTCJul 22, 04:15 UTC1h 30m - -
2026-07-21 AD3C1F SEA → TUS Jul 21, 02:40 UTCJul 21, 04:10 UTC1h 30m - -
2026-07-20 A4DF56 SEA → TUS Jul 20, 03:05 UTCJul 20, 04:35 UTC1h 30m - -
2026-07-19 A6A300 SEA → TUS Jul 19, 02:35 UTCJul 19, 04:05 UTC1h 30m - -
2026-07-18 ADA167 SEA → TUS Jul 18, 02:55 UTCJul 18, 04:20 UTC1h 25m - -
2026-07-18 ADA167 SEA → TUS Jul 18, 02:53 UTCJul 18, 04:17 UTC1h 24m +30m -12m
2026-07-17 A28DE3 SEA → SMF Jul 17, 05:25 UTCJul 17, 06:50 UTC1h 25m - -
2026-07-16 ACA948 SEA → OVE Jul 16, 02:40 UTCJul 16, 04:00 UTC1h 20m - -
2026-07-16 ACA948 SEA → SMF Jul 16, 02:39 UTCJul 16, 04:10 UTC1h 31m +16m +2m
2026-07-15 A622BC SEA → SMF Jul 15, 02:35 UTCJul 15, 04:05 UTC1h 30m - -
2026-07-14 A2CE05 - Jul 14, 03:10 UTCJul 14, 04:40 UTC1h 30m - -
2026-07-13 A5A11A - Jul 13, 02:35 UTCJul 13, 04:10 UTC1h 35m - -
2026-07-12 A5EC61 SEA → SMF Jul 12, 03:05 UTCJul 12, 04:40 UTC1h 35m - -
2026-07-11 A1CC1F SEA → SMF Jul 11, 02:35 UTCJul 11, 04:05 UTC1h 30m - -
2026-07-10 A9873D SEA → TUS Jul 10, 02:40 UTCJul 10, 04:05 UTC1h 25m - -
2026-07-09 A5BB1B SEA → TUS Jul 9, 02:40 UTCJul 9, 04:00 UTC1h 20m - -
2026-07-08 ACFFB4 SEA → TUS Jul 8, 02:45 UTCJul 8, 04:10 UTC1h 25m - -
2026-07-07 AD6B0C SEA → TUS Jul 7, 02:40 UTCJul 7, 04:05 UTC1h 25m - -
2026-07-07 AD6B0C SEA → TUS Jul 7, 02:37 UTCJul 7, 04:00 UTC1h 23m +14m -6m
2026-07-06 A30BCE SEA → TUS Jul 6, 03:50 UTCJul 6, 05:15 UTC1h 25m - -
2026-07-04 A9672C SEA → TUS Jul 4, 02:40 UTCJul 4, 03:55 UTC1h 15m - -
2026-07-03 A30BCE SEA → TUS Jul 3, 03:35 UTCJul 3, 04:55 UTC1h 20m - -
2026-07-02 AD438D SEA → TUS Jul 2, 02:40 UTCJul 2, 04:00 UTC1h 20m - -
2026-07-01 A2228B SEA → TUS Jul 1, 02:55 UTCJul 1, 04:10 UTC1h 15m - -
2026-06-30 A2FCF2 SEA → TUS Jun 30, 02:40 UTCJun 30, 04:00 UTC1h 20m - -
2026-06-29 AD9DB0 SEA → TUS Jun 29, 02:45 UTCJun 29, 04:04 UTC1h 20m - -

Performance history

Flights tracked
90 showing last 30
Avg arrival delay
-5m
On-time arrival
100% 100% on time
Aircraft used
25

Monthly activity 4 months

Month Flights tracked
July 2026 28
June 2026 22
May 2026 14
April 2026 26

ASA638 frequently asked

Where does flight ASA638 fly?
ASA638 (Alaska Airlines) flies from SEA to TUS. View the full route page.
How long is flight ASA638?
Based on observed flights, ASA638 takes on average 1h 26m from takeoff to landing.
How often does ASA638 fly?
ASA638 has been observed flying daily in our tracking data. We've recorded 90 flights under this callsign.
Is flight ASA638 usually on time?
Across recent flights, ASA638 arrives 5 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight ASA638?
ASA638 has been operated by 25 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track ASA638 live?
Yes. When ASA638 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.