Best Time to Fly PHX to KOA: On-Time Stats by Hour & Airline
Phoenix Sky Harbor International → Ellison Onizuka Kona International at Keahole
Data through July 2026 · Last updated October 18, 2026
384 flights were scheduled from Phoenix (PHX) to Kona (KOA) in the last 12 months, and 82.5% of those that flew arrived on time, 4.9 points above the US average of 77.6%.
American Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Monday was the most reliable day (89% on time) and April the worst month (70%).
The cancellation rate was 0.3% (US average 1.8%).
PHX to KOA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| American Airlines | 82.5% | 75 min | 0.3% | 384 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHX to KOA
On-time arrival % by scheduled departure hour (local time), 767 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 10am–11am | 82.4% | 0.0% | 331 |
| 11am–12pm | 81.4% | 0.5% | 195 |
| 12pm–1pm | 88.0% | 0.0% | 159 |
| 1pm–2pm | 77.3% | 0.0% | 44 |
| 2pm–3pm | Limited data | 18 | |
| 3pm–4pm | Limited data | 20 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHX to KOA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 71.7% | -12.7 pts | 0.0% | 60 |
| Summer peak (Jun 15 - Aug 15) | 80.3% | -4.0 pts | 0.0% | 124 |
| All other days | 84.3% | — | 0.2% | 569 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).