No delays reported for AS 651 (SIT→SEA, RDU→SEA) as of 6:51 PM ET. It arrived on time 79.2% of the time in June-August 2026. When it was late, the average delay was 59 minutes. 1.3% of flights were cancelled. Right now there are no reported delays at SIT, SEA, RDU.
May not fly today
Leg 2 of 2 (RDU → SEA): Next leg RDU → SEA, scheduled 7:13 PM local time. No delays at RDU right now. This flight number flew about 5 days a week in June-August 2026, so it may not operate today.
Cancellation risk: Medium 1.3% of its flights were cancelled in June-August 2026; rough weather at SIT.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Alaska Airlines for official times.
What to do now
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| SIT → SEA Sitka, AK to Seattle, WA | 7:00 AM → 10:24 AM | 81% |
| RDU → SEA Raleigh/Durham, NC to Seattle, WA | 7:13 PM → 9:58 PM | 62% |
Local times. Schedules change; check your booking.
How reliable is AS 651?
| Arrived on time (within 15 min) | 79.2% |
| Average delay when late | 59 min |
| Cancelled | 1.3% |
| Diverted | 0% |
| Flights tracked | 78 |
Best and worst days to fly AS 651
AS 651 was most reliable on Mondays (92% on time) and least reliable on Saturdays (50%).
| Monday | |
| Tuesday | |
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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 SIT → 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 651 delayed today?
Right now there are no reported delays at SIT, SEA, RDU. Checked 6:51 PM ET. For this flight's gate and exact status, check the Alaska Airlines app.
Is AS 651 usually on time?
AS 651 arrived within 15 minutes of schedule 79.2% of the time in June-August 2026, with an average delay of 59 minutes when late.
How often is AS 651 cancelled?
1.3% of AS 651 flights were cancelled in June-August 2026.