Flight Reliability
AS 448 · Alaska Airlines
Seattle → Spokane (SEA–GEG)91% of its flights flew this route. The rest (BZN–SEA, SMF–ANC) are included in these numbers.
- 81%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 0%
- Cancelled
- 3 min early
- Median arrival delay
Based on 224 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
AS 448 departing between 6–9 PM arrived on time 84% of the time, versus 50% between 12–3 PM.
Friday is doing you no favors.
AS 448 arrived on time 88% of the time on Tuesdays and just 50% on Fridays. That gap is worth planning around.
It basically never cancels.
Out of 224 scheduled flights, only 0.0% were cancelled.
Trending in the right direction.
AS 448 arrived on time 89% of the time over the last three months in the data, compared with 78% in the three months before that.
The breakdown
- Mon84%(31 flights)
- Tue88%(32 flights)
- Wed88%(32 flights)
- Thu86%(29 flights)
- Fri50%(30 flights)
- Sat83%(40 flights)
- Sun87%(30 flights)
- 6–9 AM68%(19 flights)
- 12–3 PM50%(10 flights)
- 6–9 PM84%(195 flights)
Jun 50% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 50% | 14 |
| November 2025 | 79% | 19 |
| December 2025 | 85% | 27 |
| January 2026 | 68% | 31 |
| February 2026 | 82% | 28 |
| March 2026 | 90% | 31 |
| April 2026 | 93% | 30 |
| May 2026 | 84% | 31 |
- Departures on time
- 79%
- Diverted
- 0%
- Flights flown
- 224
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 224 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.