Flight Reliability
AS 2376 · Alaska Airlines
Seattle → Portland (SEA–PDX)83% of its flights flew this route. The rest (SAN–PHX, BOI–SEA) are included in these numbers.
91
Nerd Approved
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 3 min
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 72 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
AS 2376 departing between 3–6 PM arrived on time 85% of the time, versus 70% between 12–3 PM.
Sunday scaries are real for this one.
AS 2376 arrived on time 100% of the time on Saturdays and just 70% on Sundays. That gap is worth planning around.
A bit ahead of the Alaska Airlines network.
AS 2376 arrived on time 83% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon80%(10 flights)
- Tue—(9 flights)
- Wed—(9 flights)
- Thu—(8 flights)
- Fri70%(10 flights)
- Sat100%(16 flights)
- Sun70%(10 flights)
- 6–9 AM—(1 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM70%(10 flights)
- 3–6 PM85%(60 flights)
83%
May
Feb 100% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| February 2026 | 100% | 18 |
| March 2026 | 71% | 17 |
| May 2026 | 83% | 12 |
- Departures on time
- 82%
- Diverted
- 0%
- Flights flown
- 72
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 72 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.