About 1 in 2 AS 2018 flights from San Diego arrived 15+ minutes late, diverted or cancelled over the past year (45%); 5.5% were cancelled. The typical flight landed 11 minutes late.
AS 2018: SAN → LAS
Scheduled to leave San Diego at 5:15 p.m. local time, operated by Horizon Air as QX 2018. Over the past year it arrived on time 55% of the time (163 flights), worse than other AS flights on the route at that hour (60%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 27 | 48% |
| Tuesday | 20 | 65% |
| Wednesday | 20 | 70% |
| Thursday | 25 | 36% |
| Friday | 27 | 41% |
| Saturday | 17 | — |
| Sunday | 27 | 67% |
Why it was late
All flights SAN → LAS · Connecting off AS 2018? Check the risk
Questions
How often is AS 2018 from SAN to LAS late?
Alaska Airlines 2018 from San Diego, CA to Las Vegas, NV arrived 15 or more minutes late, was diverted or was cancelled on 45% of 163 scheduled flights between September 2025 and August 2026. 5.5% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Alaska Airlines for today's flight. Method.