Flight Reliability
AA 645 · American Airlines
Phoenix → Kahului (PHX–OGG)
92
Nerd Approved
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 0.3%
- Cancelled
- 14 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
12–3 PM has a slight edge.
Departures between 12–3 PM arrived on time 90% of the time, against 86% between 9 AM–12 PM.
Sunday scaries are real for this one.
AA 645 arrived on time 92% of the time on Mondays. On Sundays: 77%.
Better than the American Airlines network average.
AA 645 arrived on time 87% of the time, versus 77% across the American Airlines network.
It basically never cancels.
Out of 365 scheduled flights, only 0.3% were cancelled.
The breakdown
- Mon92%(52 flights)
- Tue88%(51 flights)
- Wed89%(52 flights)
- Thu86%(51 flights)
- Fri89%(52 flights)
- Sat86%(51 flights)
- Sun77%(53 flights)
- 9 AM–12 PM86%(301 flights)
- 12–3 PM90%(61 flights)
90%
May
Jun 90% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 30 |
| July 2025 | 74% | 31 |
| August 2025 | 94% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 90% | 31 |
| November 2025 | 93% | 29 |
| December 2025 | 81% | 31 |
| January 2026 | 84% | 31 |
| February 2026 | 89% | 28 |
| March 2026 | 97% | 30 |
| April 2026 | 69% | 29 |
| May 2026 | 90% | 31 |
- Departures on time
- 88%
- Diverted
- 0.5%
- Flights flown
- 362
- 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.