Route Reliability
Phoenix → STS
PHX–STS · 699 miles · Phoenix Sky Harbor International Airport to STS Airport
- 83%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0.3%
- Cancelled
- 693
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 83% of the time across 693 flights. No comparison to make.
What the data says
12–3 PM has a slight edge.
Departures between 12–3 PM arrived on time 85% of the time, against 82% between 9 AM–12 PM.
Sunday scaries are real for this one.
PHX–STS flights arrived on time 87% of the time on Tuesdays. On Sundays: 76%.
It basically never cancels.
Out of 693 scheduled flights, only 0.3% were cancelled.
Slipping a little lately.
PHX–STS flights arrived on time 85% of the time over the last three months in the data, compared with 89% in the three months before that.
Flights on this route
The breakdown
- Mon80%(103 flights)
- Tue87%(91 flights)
- Wed85%(94 flights)
- Thu86%(99 flights)
- Fri84%(99 flights)
- Sat86%(95 flights)
- Sun76%(105 flights)
- 6–9 AM—(1 flights)
- 9 AM–12 PM82%(358 flights)
- 12–3 PM85%(327 flights)
Jun 75% → May 76% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 60 |
| July 2025 | 63% | 60 |
| August 2025 | 89% | 62 |
| September 2025 | 87% | 55 |
| October 2025 | 75% | 59 |
| November 2025 | 90% | 50 |
| December 2025 | 85% | 47 |
| January 2026 | 89% | 62 |
| February 2026 | 94% | 54 |
| March 2026 | 94% | 62 |
| April 2026 | 84% | 56 |
| May 2026 | 76% | 59 |
Keep nerding
Based on 693 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.