Flight Reliability
AS 465 · Alaska Airlines
Portland → Seattle (PDX–SEA)83% of its flights flew this route. The rest (SEA–IAH, IAH–SEA) are included in these numbers.
98
Nerd Approved
WanderNerd Reliability Score
- 94%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 0%
- Cancelled
- 5 min early
- Median arrival delay
Based on 98 historical flights. Data through May 2026.
What the data says
9 PM–12 AM has a slight edge.
Departures between 9 PM–12 AM arrived on time 100% of the time, against 94% between 12–3 PM.
Thursday is the weak spot.
AS 465 arrived on time 100% of the time on Tuesdays. On Thursdays: 86%.
Better than the PDX–SEA route average.
AS 465 arrived on time 94% of the time, versus 84% across the PDX–SEA route.
Better than the Alaska Airlines network average.
AS 465 arrived on time 94% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon92%(13 flights)
- Tue100%(12 flights)
- Wed93%(14 flights)
- Thu86%(14 flights)
- Fri93%(15 flights)
- Sat100%(12 flights)
- Sun94%(17 flights)
- 6–9 AM—(1 flights)
- 12–3 PM94%(81 flights)
- 6–9 PM—(1 flights)
- 9 PM–12 AM100%(14 flights)
100%
May
Dec 87% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 87% | 15 |
| March 2026 | 77% | 13 |
| April 2026 | 100% | 27 |
| May 2026 | 100% | 26 |
- Departures on time
- 91%
- Diverted
- 1.0%
- Flights flown
- 97
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 98 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.