Flight Reliability
AS 700 · Alaska Airlines
Seattle → Phoenix (SEA–PHX)
85
Pretty Reliable
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.3%
- Cancelled
- 3 min early
- Median arrival delay
Based on 359 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
AS 700 arrived on time 90% of the time on Fridays and just 71% on Thursdays. That gap is worth planning around.
It basically never cancels.
Out of 359 scheduled flights, only 0.3% were cancelled.
Ticking up lately.
AS 700 arrived on time 91% of the time over the last three months in the data, compared with 85% in the three months before that.
The breakdown
- Mon75%(52 flights)
- Tue79%(52 flights)
- Wed80%(51 flights)
- Thu71%(52 flights)
- Fri90%(51 flights)
- Sat72%(47 flights)
- Sun77%(53 flights)
89%
May
Jun 50% → May 89% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 50% | 30 |
| July 2025 | 48% | 31 |
| August 2025 | 77% | 30 |
| September 2025 | 90% | 30 |
| October 2025 | 79% | 29 |
| November 2025 | 67% | 30 |
| December 2025 | 71% | 31 |
| January 2026 | 90% | 31 |
| February 2026 | 93% | 28 |
| March 2026 | 93% | 30 |
| April 2026 | 90% | 30 |
| May 2026 | 89% | 28 |
- Departures on time
- 75%
- Diverted
- 0%
- Flights flown
- 358
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 359 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.