Flight Reliability
AS 185 · Alaska Airlines
Seattle → Juneau (SEA–JNU)93% of its flights flew this route. The rest (PDX–PHX) are included in these numbers.
- 76%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 4.1%
- Cancelled
- 4 min early
- Median arrival delay
Based on 293 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
AS 185 departing between 6–9 PM arrived on time 88% of the time, versus 70% between 9 PM–12 AM.
Thursdays have been rough.
AS 185 arrived on time 92% of the time on Tuesdays and just 61% on Thursdays. That gap is worth planning around.
A bit behind the Alaska Airlines network.
AS 185 arrived on time 76% of the time, versus 80% across the Alaska Airlines network.
Keep a backup plan handy.
AS 185 was cancelled 4.1% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon75%(44 flights)
- Tue92%(36 flights)
- Wed85%(39 flights)
- Thu61%(41 flights)
- Fri74%(43 flights)
- Sat81%(37 flights)
- Sun70%(40 flights)
- 6–9 PM88%(100 flights)
- 9 PM–12 AM70%(180 flights)
Jun 68% → Apr 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 68% | 19 |
| July 2025 | 41% | 29 |
| August 2025 | 62% | 29 |
| September 2025 | 93% | 30 |
| October 2025 | 89% | 28 |
| November 2025 | 82% | 28 |
| December 2025 | 89% | 26 |
| January 2026 | 78% | 27 |
| February 2026 | 85% | 20 |
| March 2026 | 75% | 24 |
| April 2026 | 80% | 20 |
- Departures on time
- 74%
- Diverted
- 0.3%
- Flights flown
- 280
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 293 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.