Flight Reliability
AA 4814 · American Airlines
SGU → Phoenix (SGU–PHX)
84
Pretty Reliable
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 0%
- Cancelled
- 4 min early
- Median arrival delay
Based on 289 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
AA 4814 departing between 3–6 PM arrived on time 82% of the time, versus 75% between 6–9 PM.
Sunday scaries are real for this one.
AA 4814 arrived on time 93% of the time on Tuesdays and just 70% on Sundays. That gap is worth planning around.
A bit behind the SGU–PHX route.
AA 4814 arrived on time 79% of the time, versus 83% across the SGU–PHX route.
It basically never cancels.
Out of 289 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon82%(51 flights)
- Tue93%(27 flights)
- Wed74%(27 flights)
- Thu72%(50 flights)
- Fri83%(47 flights)
- Sat84%(32 flights)
- Sun70%(53 flights)
- 12–3 PM76%(33 flights)
- 3–6 PM82%(148 flights)
- 6–9 PM75%(106 flights)
81%
May
Jun 70% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 30 |
| July 2025 | 68% | 31 |
| August 2025 | 83% | 30 |
| September 2025 | 85% | 13 |
| October 2025 | 74% | 27 |
| November 2025 | 76% | 25 |
| December 2025 | 71% | 17 |
| January 2026 | 89% | 18 |
| February 2026 | 87% | 23 |
| March 2026 | 93% | 30 |
| April 2026 | 73% | 22 |
| May 2026 | 81% | 21 |
- Departures on time
- 80%
- Diverted
- 0.7%
- Flights flown
- 287
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 289 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.