Flight Reliability
AA 520 · American Airlines
Dallas–Fort Worth → Phoenix (DFW–PHX)
62
A Little Dicey
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 3.3%
- Cancelled
- 2 min
- Median arrival delay
Based on 182 historical flights. Data through May 2026.
What the data says
Tuesdays have been rough.
AA 520 arrived on time 88% of the time on Thursdays and just 58% on Tuesdays. That gap is worth planning around.
A bit behind the American Airlines network.
AA 520 arrived on time 73% of the time, versus 77% across the American Airlines network.
Keep a backup plan handy.
AA 520 was cancelled 3.3% of the time. Typical for U.S. flights is around 1–2%.
Trending in the right direction.
AA 520 arrived on time 80% of the time over the last three months in the data, compared with 64% in the three months before that.
The breakdown
- Mon67%(24 flights)
- Tue58%(26 flights)
- Wed76%(25 flights)
- Thu88%(25 flights)
- Fri69%(26 flights)
- Sat79%(24 flights)
- Sun73%(26 flights)
77%
May
Jun 66% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 66% | 29 |
| July 2025 | 72% | 29 |
| August 2025 | 55% | 31 |
| September 2025 | 93% | 28 |
| April 2026 | 71% | 24 |
| May 2026 | 77% | 30 |
- Departures on time
- 71%
- Diverted
- 0%
- Flights flown
- 176
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 182 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.