Flight Reliability
AA 664 · American Airlines
Kailua-Kona → Phoenix (KOA–PHX)
94
Nerd Approved
WanderNerd Reliability Score
- 94%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 1.6%
- Cancelled
- 14 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
AA 664 arrived on time 98% of the time on Mondays. On Fridays: 90%.
Well ahead of the American Airlines network.
AA 664 arrived on time 94% of the time, versus 77% across the American Airlines network.
Ticking up lately.
AA 664 arrived on time 94% of the time over the last three months in the data, compared with 91% in the three months before that.
The breakdown
- Mon98%(51 flights)
- Tue92%(52 flights)
- Wed94%(52 flights)
- Thu94%(51 flights)
- Fri90%(51 flights)
- Sat92%(51 flights)
- Sun98%(49 flights)
97%
May
Jun 90% → May 97% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 29 |
| July 2025 | 93% | 29 |
| August 2025 | 100% | 31 |
| September 2025 | 97% | 29 |
| October 2025 | 94% | 31 |
| November 2025 | 100% | 30 |
| December 2025 | 87% | 31 |
| January 2026 | 94% | 31 |
| February 2026 | 93% | 27 |
| March 2026 | 86% | 29 |
| April 2026 | 100% | 30 |
| May 2026 | 97% | 30 |
- Departures on time
- 95%
- Diverted
- 0.5%
- Flights flown
- 357
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.