Flight Reliability
AS 3435 · Alaska Airlines
Seattle → RDM (SEA–RDM)89% of its flights flew this route. The rest (PSP–SFO, PDX–SJC) are included in these numbers.
- 72%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0%
- Cancelled
- 2 min
- Median arrival delay
Based on 213 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
AS 3435 departing between 6–9 AM arrived on time 100% of the time, versus 67% between 6–9 PM.
Thursdays have been rough.
AS 3435 arrived on time 81% of the time on Tuesdays and just 58% on Thursdays. That gap is worth planning around.
Lagging the SEA–RDM route.
AS 3435 arrived on time 72% of the time, versus 83% across the SEA–RDM route.
Lagging the Alaska Airlines network.
AS 3435 arrived on time 72% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon77%(30 flights)
- Tue81%(26 flights)
- Wed77%(31 flights)
- Thu58%(36 flights)
- Fri77%(31 flights)
- Sat68%(22 flights)
- Sun70%(37 flights)
- 6–9 AM100%(18 flights)
- 12–3 PM—(8 flights)
- 3–6 PM69%(172 flights)
- 6–9 PM67%(15 flights)
Jun 63% → May 85% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 30 |
| July 2025 | 58% | 31 |
| August 2025 | 65% | 31 |
| September 2025 | 63% | 30 |
| October 2025 | 96% | 25 |
| November 2025 | 73% | 11 |
| May 2026 | 85% | 26 |
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 213
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 213 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.