Flight Reliability
AS 1490 · Alaska Airlines
Kahului → Portland (OGG–PDX)90% of its flights flew this route. The rest (DFW–SAN) are included in these numbers.
86
Pretty Reliable
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 0%
- Cancelled
- 6 min early
- Median arrival delay
Based on 184 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
AS 1490 departing between 9 AM–12 PM arrived on time 86% of the time, versus 32% between 6–9 PM.
Friday is doing you no favors.
AS 1490 arrived on time 89% of the time on Wednesdays and just 69% on Fridays. That gap is worth planning around.
A bit behind the OGG–PDX route.
AS 1490 arrived on time 78% of the time, versus 84% across the OGG–PDX route.
It basically never cancels.
Out of 184 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon85%(26 flights)
- Tue73%(26 flights)
- Wed89%(27 flights)
- Thu81%(26 flights)
- Fri69%(26 flights)
- Sat81%(26 flights)
- Sun70%(27 flights)
- 9 AM–12 PM86%(56 flights)
- 12–3 PM83%(109 flights)
- 6–9 PM32%(19 flights)
55%
May
Nov 77% → May 55% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 77% | 30 |
| December 2025 | 81% | 31 |
| January 2026 | 87% | 31 |
| February 2026 | 91% | 11 |
| March 2026 | 93% | 14 |
| April 2026 | 80% | 30 |
| May 2026 | 55% | 31 |
- Departures on time
- 71%
- Diverted
- 0%
- Flights flown
- 184
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 184 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.