No delays reported for AS 473 (STL → SEA) as of 6:45 PM ET. It arrived on time 91.3% of the time in June-August 2026. When it was late, the average delay was 42 minutes. None were cancelled. Right now there are no reported delays at STL, SEA.
Looks on time
Next leg STL → SEA, scheduled 6:02 AM local time. No delays at STL right now, and it usually runs on time.
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 |
|---|---|---|
| STL → SEA St. Louis, MO to Seattle, WA | 6:02 AM → 8:30 AM | 91% |
Local times. Schedules change; check your booking.
How reliable is AS 473?
| Arrived on time (within 15 min) | 91.3% |
| Average delay when late | 42 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 92 |
Best and worst days to fly AS 473
AS 473 was most reliable on Thursdays (100% on time) and least reliable on Wednesdays (85%).
| 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 STL → 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 473 delayed today?
Right now there are no reported delays at STL, SEA. Checked 6:45 PM ET. For this flight's gate and exact status, check the Alaska Airlines app.
Is AS 473 usually on time?
AS 473 arrived within 15 minutes of schedule 91.3% of the time in June-August 2026, with an average delay of 42 minutes when late.
How often is AS 473 cancelled?
0% of AS 473 flights were cancelled in June-August 2026.