Route on-time record
KOA to PHX: most on-time flights and the best time to fly
Kailua-Kona (Ellison Onizuka Kona International Airport at Keāhole) to Phoenix (Phoenix Sky Harbor International Airport). 384 nonstop flights in Jun 2025 to May 2026, 93% arrived within 15 minutes and 1.6% were cancelled. The most reliable flight number was American 664 at 9:55 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
KOA → PHX
Kailua-Kona to Phoenix: 384 nonstop flights a year
On time (12 months)
93%
Cancelled
1.6%
avg delay 22 min
Best time to leave
No clear winner
Most reliable airline
American
92% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · American 664
9:55 PM → 6:47 AM5h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 94%
- Cancelled
- 1.6%
- Avg arrival delay
- 23 min
- Arrived on time 94% of the time (357 flights, Jun 2025 to May 2026).
Strong track record · 357 flights
Find American 664 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- American Airlines92%
384 flights · 93% on time as flown · 1.6% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- After 9 PM93%
384 flights · avg delay 22 min
Best day: Sunday (96%). Worst: Friday (90%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Airline (crew, maintenance, boarding)54%
- Severe weather24%
- Late-arriving aircraft17%
- Air traffic control and airport volume5%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
KOA to PHX questions
- Which airline is most on time from KOA to PHX?
- American, with a season-adjusted 92% chance of operating and arriving on time over 384 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on KOA to PHX?
- March (89% on time); the best was August (99%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from KOA
- PHX to KOA (return)
- KOA to HNL 85%
- KOA to LAX 86%
- KOA to OGG 87%
- KOA to SEA 86%
- KOA to SFO 83%
- KOA to SMF 90%
- KOA to DEN 91%
- KOA to LIH 93%
- KOA to LAS 95%
- KOA to SAN 71%
- KOA to PDX 74%
Live status: FAA delays and ground stops