Flight Reliability
AS 2108 · Alaska Airlines
Boise → Seattle (BOI–SEA)83% of its flights flew this route. The rest (PSP–BOI, PDX–SJC) are included in these numbers.
89
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.6%
- Cancelled
- 5 min early
- Median arrival delay
Based on 338 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
AS 2108 departing between 9 AM–12 PM arrived on time 94% of the time, versus 72% between 3–6 PM.
Friday is doing you no favors.
AS 2108 arrived on time 88% of the time on Mondays. On Fridays: 74%.
Recent months have been rougher.
AS 2108 arrived on time 79% of the time over the last three months in the data, compared with 88% in the three months before that.
The breakdown
- Mon88%(49 flights)
- Tue85%(48 flights)
- Wed87%(46 flights)
- Thu84%(49 flights)
- Fri74%(49 flights)
- Sat85%(46 flights)
- Sun80%(49 flights)
- 6–9 AM73%(11 flights)
- 9 AM–12 PM94%(96 flights)
- 12–3 PM84%(135 flights)
- 3–6 PM72%(94 flights)
58%
Apr
Jun 67% → Apr 58% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 30 |
| July 2025 | 90% | 30 |
| August 2025 | 81% | 31 |
| September 2025 | 77% | 30 |
| October 2025 | 90% | 30 |
| November 2025 | 90% | 30 |
| December 2025 | 81% | 31 |
| January 2026 | 94% | 31 |
| February 2026 | 96% | 28 |
| March 2026 | 84% | 31 |
| April 2026 | 58% | 26 |
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 336
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 338 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.