Flight Reliability
AS 3219 · Alaska Airlines
Spokane → Boise (GEG–BOI)83% of its flights flew this route. The rest (EUG–PDX, EUG–SEA) are included in these numbers.
94
Nerd Approved
WanderNerd Reliability Score
- 89%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 0.6%
- Cancelled
- 11 min early
- Median arrival delay
Based on 170 historical flights. Data through May 2026.
What the data says
Mornings have a slight edge.
Departures between 9 AM–12 PM arrived on time 92% of the time, against 89% between 3–6 PM.
Sunday scaries are real for this one.
AS 3219 arrived on time 96% of the time on Mondays and just 80% on Sundays. That gap is worth planning around.
Better than the Alaska Airlines network average.
AS 3219 arrived on time 89% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon96%(25 flights)
- Tue92%(24 flights)
- Wed88%(24 flights)
- Thu92%(24 flights)
- Fri80%(25 flights)
- Sat96%(22 flights)
- Sun80%(25 flights)
- 9 AM–12 PM92%(13 flights)
- 3–6 PM89%(156 flights)
75%
May
Aug 92% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 92% | 12 |
| November 2025 | 100% | 29 |
| December 2025 | 87% | 31 |
| January 2026 | 77% | 30 |
| February 2026 | 96% | 28 |
| March 2026 | 88% | 16 |
| May 2026 | 75% | 16 |
- Departures on time
- 90%
- Diverted
- 0%
- Flights flown
- 169
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 170 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.