Flight Reliability
AS 352 · Alaska Airlines
Seattle → Austin (SEA–AUS)92% of its flights flew this route. The rest (AUS–SEA, SEA–MSP) are included in these numbers.
- 78%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0.3%
- Cancelled
- 2 min early
- Median arrival delay
Based on 370 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
AS 352 departing between 6–9 AM arrived on time 94% of the time, versus 72% between 6–9 PM.
Mondays have been rough.
AS 352 arrived on time 87% of the time on Tuesdays and just 70% on Mondays. That gap is worth planning around.
It basically never cancels.
Out of 370 scheduled flights, only 0.3% were cancelled.
Ticking up lately.
AS 352 arrived on time 85% of the time over the last three months in the data, compared with 81% in the three months before that.
The breakdown
- Mon70%(53 flights)
- Tue87%(54 flights)
- Wed83%(54 flights)
- Thu77%(53 flights)
- Fri76%(49 flights)
- Sat81%(47 flights)
- Sun73%(56 flights)
- 6–9 AM94%(31 flights)
- 9 AM–12 PM86%(111 flights)
- 12–3 PM72%(206 flights)
- 6–9 PM72%(18 flights)
Jun 67% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 30 |
| July 2025 | 45% | 31 |
| August 2025 | 69% | 29 |
| September 2025 | 90% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 79% | 29 |
| December 2025 | 71% | 31 |
| January 2026 | 79% | 29 |
| February 2026 | 93% | 28 |
| March 2026 | 85% | 26 |
| April 2026 | 91% | 23 |
| May 2026 | 80% | 49 |
- Departures on time
- 74%
- Diverted
- 0.8%
- Flights flown
- 366
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 370 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.