Is Alaska Airlines 518 delayed today?

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Likely delayed: there are delays at AS 518's airports as of 6:51 PM ET. It arrived on time 91.8% of the time in June-August 2026. When it was late, the average delay was 36 minutes. 1.2% of flights were cancelled. SFO has major delays (wind, max 5 hours and 41 minutes), so this flight is likely to be delayed.

May not fly today

Leg 2 of 3 (LIH → SFO): Next leg LIH → SFO, scheduled 3:45 PM local time. No delays at LIH right now, and it usually runs on time. This flight number flew about 5 days a week in June-August 2026, so it may not operate today.

Cancellation risk: Medium 1.2% of its flights were cancelled in June-August 2026; SFO has major delays.

Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Alaska Airlines for official times.

Route and schedule

LegScheduledOn time
SEA → KOA
Seattle, WA to Kona, HI
10:03 AM → 1:24 PM77%
LIH → SFO
Lihue, HI to San Francisco, CA
3:45 PM → 11:57 PM80%
PDX → SNA
Portland, OR to Santa Ana, CA
7:59 PM → 10:30 PM96%

Local times. Schedules change; check your booking.

How reliable is AS 518?

Arrived on time (within 15 min)91.8%
Average delay when late36 min
Cancelled1.2%
Diverted0%
Flights tracked86

Best and worst days to fly AS 518

AS 518 was most reliable on Thursdays (100% on time) and least reliable on Wednesdays (85%).

Monday93%
Tuesday90%
Wednesday85%
Thursday100%
Friday85%
Saturday100%
Sunday92%

Why it runs late

Late-arriving plane65%
Airline (crew, maintenance)18%
Air traffic system13%
Extreme weather4%

Share of delay minutes by cause, as reported by Alaska Airlines to the Department of Transportation.

Other flights PDX → SNA

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 518 delayed today?

SFO has major delays (wind, max 5 hours and 41 minutes), so this flight is likely to be delayed. Checked 6:51 PM ET. For this flight's gate and exact status, check the Alaska Airlines app.

Is AS 518 usually on time?

AS 518 arrived within 15 minutes of schedule 91.8% of the time in June-August 2026, with an average delay of 36 minutes when late.

How often is AS 518 cancelled?

1.2% of AS 518 flights were cancelled in June-August 2026.

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