Flight Reliability
AS 812 · Alaska Airlines
Honolulu → San Francisco (HNL–SFO)93% of its flights flew this route. The rest (KOA–SEA) are included in these numbers.
- 65%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 1.2%
- Cancelled
- 5 min
- Median arrival delay
Based on 162 historical flights. Data through May 2026.
What the data says
The 6–9 AM departure wins.
AS 812 departing between 6–9 AM arrived on time 82% of the time, versus 62% between 9 AM–12 PM.
Thursdays have been rough.
AS 812 arrived on time 83% of the time on Wednesdays and just 44% on Thursdays. That gap is worth planning around.
Well behind the HNL–SFO route.
AS 812 arrived on time 65% of the time, versus 83% across the HNL–SFO route.
Well behind the Alaska Airlines network.
AS 812 arrived on time 65% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon61%(23 flights)
- Tue65%(23 flights)
- Wed83%(23 flights)
- Thu44%(23 flights)
- Fri70%(23 flights)
- Sat73%(22 flights)
- Sun61%(23 flights)
- 6–9 AM82%(11 flights)
- 9 AM–12 PM62%(55 flights)
- 12–3 PM65%(94 flights)
Jun 82% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 82% | 11 |
| January 2026 | 55% | 29 |
| February 2026 | 75% | 28 |
| March 2026 | 58% | 31 |
| April 2026 | 63% | 30 |
| May 2026 | 68% | 31 |
- Departures on time
- 69%
- Diverted
- 0%
- Flights flown
- 160
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 162 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.