No delays reported for AS 451 (MSY→SEA, SEA→CVG, CVG→SEA) as of 6:43 PM ET. It arrived on time 77.2% of the time in June-August 2026. When it was late, the average delay was 1h 16m. None were cancelled. Right now there are no reported delays at MSY, SEA, CVG.
May not fly today
Leg 3 of 3 (CVG → SEA): Scheduled to leave CVG at 6:42 PM local time. This flight number flew about 6 days a week in June-August 2026, so it may not operate today.
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.
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| MSY → SEA New Orleans, LA to Seattle, WA | 7:10 AM → 10:17 AM | 75% |
| SEA → CVG Seattle, WA to Cincinnati, OH | 10:05 AM → 5:39 PM | 92% |
| CVG → SEA Cincinnati, OH to Seattle, WA | 6:42 PM → 8:35 PM | 75% |
Local times. Schedules change; check your booking.
How reliable is AS 451?
| Arrived on time (within 15 min) | 77.2% |
| Average delay when late | 76 min |
| Cancelled | 0% |
| Diverted | 1% |
| Flights tracked | 102 |
Best and worst days to fly AS 451
AS 451 was most reliable on Mondays (88% on time) and least reliable on Saturdays (67%).
| 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 MSY → 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 451 delayed today?
Right now there are no reported delays at MSY, SEA, CVG. Checked 6:43 PM ET. For this flight's gate and exact status, check the Alaska Airlines app.
Is AS 451 usually on time?
AS 451 arrived within 15 minutes of schedule 77.2% of the time in June-August 2026, with an average delay of 76 minutes when late.
How often is AS 451 cancelled?
0% of AS 451 flights were cancelled in June-August 2026.