Flight Reliability
AS 1088 · Alaska Airlines
Honolulu → Kailua-Kona (HNL–KOA)94% of its flights flew this route. The rest (SJC–SEA) are included in these numbers.
- 66%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 1.3%
- Cancelled
- 8 min
- Median arrival delay
Based on 159 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
AS 1088 departing between 9 AM–12 PM arrived on time 79% of the time, versus 63% between 12–3 PM.
Thursdays have been rough.
AS 1088 arrived on time 85% of the time on Mondays and just 46% on Thursdays. That gap is worth planning around.
Well behind the HNL–KOA route.
AS 1088 arrived on time 66% of the time, versus 87% across the HNL–KOA route.
Lagging the Alaska Airlines network.
AS 1088 arrived on time 66% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon85%(20 flights)
- Tue65%(20 flights)
- Wed71%(21 flights)
- Thu46%(22 flights)
- Fri50%(22 flights)
- Sat67%(30 flights)
- Sun77%(22 flights)
- 9 AM–12 PM79%(19 flights)
- 12–3 PM63%(129 flights)
- 3–6 PM—(9 flights)
Jan 76% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 76% | 29 |
| February 2026 | 74% | 27 |
| March 2026 | 45% | 31 |
| April 2026 | 57% | 30 |
| May 2026 | 74% | 31 |
- Departures on time
- 75%
- Diverted
- 0%
- Flights flown
- 157
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 159 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.