Flight Reliability
AS 820 · Alaska Airlines
Honolulu → Sacramento (HNL–SMF)
71
Usually Fine
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 22 min
- Average arrival delay
- 0%
- Cancelled
- 4 min
- Median arrival delay
Based on 151 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
AS 820 arrived on time 86% of the time on Tuesdays and just 59% on Thursdays. That gap is worth planning around.
Lagging the HNL–SMF route.
AS 820 arrived on time 72% of the time, versus 79% across the HNL–SMF route.
Lagging the Alaska Airlines network.
AS 820 arrived on time 72% of the time, versus 80% across the Alaska Airlines network.
It basically never cancels.
Out of 151 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon62%(21 flights)
- Tue86%(21 flights)
- Wed86%(21 flights)
- Thu59%(22 flights)
- Fri68%(22 flights)
- Sat62%(21 flights)
- Sun82%(22 flights)
77%
May
Jan 65% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 65% | 31 |
| February 2026 | 82% | 28 |
| March 2026 | 57% | 30 |
| April 2026 | 80% | 30 |
| May 2026 | 77% | 31 |
- Departures on time
- 70%
- Diverted
- 0.7%
- Flights flown
- 150
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 151 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.