About 5 in 10 AS 2139 flights from Everett arrived 15+ minutes late, diverted or cancelled over the past year (53%); 1.1% were cancelled. The typical flight landed 17 minutes late.
AS 2139: PAE → SFO
Scheduled to leave Everett at 11:05 a.m. local time, operated by Horizon Air as QX 2139. Over the past year it arrived on time 47% of the time (273 flights), better than other AS flights on the route at that hour (42%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 44 | 39% |
| Tuesday | 37 | 54% |
| Wednesday | 37 | 38% |
| Thursday | 41 | 37% |
| Friday | 43 | 40% |
| Saturday | 27 | 70% |
| Sunday | 44 | 57% |
Why it was late
All flights PAE → SFO · Connecting off AS 2139? Check the risk
Questions
How often is AS 2139 from PAE to SFO late?
Alaska Airlines 2139 from Everett, WA to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 53% of 273 scheduled flights between September 2025 and August 2026. 1.1% 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.