Flight Reliability
AA 4813 · American Airlines
Phoenix → SGU (PHX–SGU)
95
Nerd Approved
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 183 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AA 4813 arrived on time 100% of the time on Wednesdays and just 80% on Sundays. That gap is worth planning around.
Better than the American Airlines network average.
AA 4813 arrived on time 87% of the time, versus 77% across the American Airlines network.
It basically never cancels.
Out of 183 scheduled flights, only 0.0% were cancelled.
Ticking up lately.
AA 4813 arrived on time 89% of the time over the last three months in the data, compared with 84% in the three months before that.
The breakdown
- Mon91%(35 flights)
- Tue92%(13 flights)
- Wed100%(13 flights)
- Thu88%(34 flights)
- Fri85%(34 flights)
- Sat84%(19 flights)
- Sun80%(35 flights)
- 12–3 PM88%(179 flights)
- 3–6 PM—(4 flights)
88%
May
Oct 92% → May 88% on time
| Month | On-time percentage | Flights |
|---|---|---|
| October 2025 | 92% | 26 |
| November 2025 | 82% | 17 |
| December 2025 | 77% | 17 |
| January 2026 | 83% | 18 |
| February 2026 | 91% | 23 |
| March 2026 | 94% | 31 |
| April 2026 | 86% | 22 |
| May 2026 | 88% | 25 |
- Departures on time
- 85%
- Diverted
- 0%
- Flights flown
- 183
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 183 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.