No delays reported for AS 641 (TUS → SEA) as of 6:43 PM ET. It arrived on time 78.3% of the time in June-August 2026. When it was late, the average delay was 40 minutes. None were cancelled. Right now there are no reported delays at TUS, SEA.
In the air
In the air, scheduled out of TUS at 2:29 PM.
In the air: 34,000 ft, 453 kt, B739 (N288AK). Live map
Cancellation risk: Low 0% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Alaska Airlines for official times. Live position: adsb.lol (open data, ODbL).
Before you fly
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| TUS → SEA Tucson, AZ to Seattle, WA | 2:29 PM → 5:44 PM | 78% |
Local times. Schedules change; check your booking.
How reliable is AS 641?
| Arrived on time (within 15 min) | 78.3% |
| Average delay when late | 40 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly AS 641
AS 641 was most reliable on Tuesdays (92% on time) and least reliable on Wednesdays (69%).
| Monday | |
| Tuesday | |
| Wednesday | |
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Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by Alaska Airlines to the Department of Transportation.
Other flights TUS → SEA
All flights on this route, ranked
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the Alaska Airlines app.
Alaska Airlines delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is AS 641 delayed today?
Right now there are no reported delays at TUS, SEA. Checked 6:43 PM ET. For this flight's gate and exact status, check the Alaska Airlines app.
Is AS 641 usually on time?
AS 641 arrived within 15 minutes of schedule 78.3% of the time in June-August 2026, with an average delay of 40 minutes when late.
How often is AS 641 cancelled?
0% of AS 641 flights were cancelled in June-August 2026.