Flight Reliability
AA 559 · American Airlines
Phoenix → San Diego (PHX–SAN)82% of its flights flew this route. The rest (PHX–LAS, LAS–ORD) are included in these numbers.
- 68%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 0%
- Cancelled
- 5 min
- Median arrival delay
Based on 183 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
AA 559 arrived on time 82% of the time on Wednesdays and just 56% on Thursdays. That gap is worth planning around.
Lagging the PHX–SAN route.
AA 559 arrived on time 68% of the time, versus 75% across the PHX–SAN route.
Lagging the American Airlines network.
AA 559 arrived on time 68% of the time, versus 77% across the American Airlines network.
It basically never cancels.
Out of 183 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon63%(32 flights)
- Tue60%(15 flights)
- Wed82%(22 flights)
- Thu56%(32 flights)
- Fri71%(24 flights)
- Sat73%(22 flights)
- Sun71%(35 flights)
- 12–3 PM—(2 flights)
- 6–9 PM68%(180 flights)
Jun 63% → May 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 30 |
| July 2025 | 60% | 30 |
| August 2025 | 67% | 15 |
| September 2025 | 75% | 12 |
| October 2025 | 47% | 15 |
| March 2026 | 88% | 24 |
| April 2026 | 69% | 26 |
| May 2026 | 74% | 27 |
- Departures on time
- 79%
- Diverted
- 0.5%
- Flights flown
- 182
- Months covered
- 10
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.