Airport reliability
Kona (KOA) on-time performance
How reliably flights leave Kona, HI (KOA) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Kona, HI16,077 departures in 12 months
- Departures on time
- 84.0% U.S. average 75.6%
- Cancelled
- 1.4% U.S. average 1.9%
- 60+ minutes late
- 3.3% U.S. average 8.1%
- Scheduled departures
- 16,077 12 months
What this means
KOA departures beat the U.S. average.
- 84.0% of the 16,077 scheduled departures from Kona (KOA) arrived at their destination on time, 8.4 points higher than the U.S. average of 75.6%.
- 1.4% of departures were cancelled (U.S. average 1.9%), and 3.3% arrived an hour or more late.
- Flights arriving at KOA were on time 82.2% of the time.
- Among airlines with at least 300 departures, Southwest Airlines was the most punctual from KOA (93.2%) and Alaska Airlines the least (78.4%).
- Over the last 3 years, September was the most reliable month for departures from KOA (92.1% on time) and January the least reliable (80.9%).
- Cancellations peaked in January, when 2.6% of flights were cancelled.
- Flights scheduled to depart 7 am to 8 am were the most punctual (94.4% on time); flights scheduled to depart 2 pm to 3 pm were the least (74.2%).
Airlines at KOA
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Southwest Airlines | 93.2% | 1.0% | 2.0% | 64 min | 2,888 |
| United Airlines | 88.0% | 1.5% | 2.6% | 75 min | 1,834 |
| American Airlines | 86.2% | 1.4% | 3.6% | 136 min | 856 |
| Hawaiian Airlines | 85.7% | 0.9% | 2.5% | 45 min | 2,301 |
| Delta Air Lines | 84.9% | 3.1% | 2.7% | 47 min | 826 |
| Alaska Airlines | 78.4% | 1.5% | 4.2% | 48 min | 7,372 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time KOA average 84.0%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | Insufficient sample | 8 |
| Departing 6 am to 7 am | 93.1% | 671 |
| Departing 7 am to 8 am | 94.4% | 269 |
| Departing 8 am to 9 am | 91.0% | 1,380 |
| Departing 9 am to 10 am | 87.3% | 597 |
| Departing 10 am to 11 am | 87.7% | 1,041 |
| Departing 11 am to noon | 83.1% | 1,346 |
| Departing noon to 1 pm | 75.0% | 943 |
| Departing 1 pm to 2 pm | 81.2% | 1,716 |
| Departing 2 pm to 3 pm | 74.2% | 1,040 |
| Departing 3 pm to 4 pm | 80.3% | 1,405 |
| Departing 4 pm to 5 pm | 79.0% | 618 |
| Departing 5 pm to 6 pm | 78.6% | 626 |
| Departing 6 pm to 7 pm | 79.9% | 546 |
| Departing 7 pm to 8 pm | 83.9% | 808 |
| Departing 8 pm to 9 pm | 90.4% | 972 |
| Departing 9 pm to 10 pm | 87.6% | 1,295 |
| Departing 10 pm to 11 pm | 88.2% | 646 |
| Departing 11 pm to midnight | 84.7% | 150 |
Best and worst months at KOA
Share of scheduled flights on time 12-month average 84.0%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 80.9% | 4,203 |
| February | 85.7% | 3,789 |
| March | 83.3% | 4,214 |
| April | 86.3% | 3,863 |
| May | 85.5% | 4,005 |
| June | 87.8% | 4,099 |
| July | 86.3% | 4,260 |
| August | 87.2% | 4,120 |
| September | 92.1% | 3,980 |
| October | 85.8% | 4,088 |
| November | 88.7% | 3,914 |
| December | 85.4% | 4,243 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 92.8% | 1,234 |
| Oct 2025 | 85.2% | 1,267 |
| Nov 2025 | 86.1% | 1,247 |
| Dec 2025 | 79.6% | 1,389 |
| Jan 2026 | 80.9% | 1,424 |
| Feb 2026 | 84.3% | 1,277 |
| Mar 2026 | 74.8% | 1,435 |
| Apr 2026 | 84.3% | 1,298 |
| May 2026 | 84.2% | 1,353 |
| Jun 2026 | 88.6% | 1,370 |
| Jul 2026 | 87.1% | 1,415 |
| Aug 2026 | 81.4% | 1,368 |
Busiest routes from KOA
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Honolulu (HNL) | 82.5% | 1.5% | 3 | 7,227 |
| Los Angeles (LAX) | 85.3% | 1.4% | 5 | 1,601 |
| Kahului (OGG) | 86.6% | 0.4% | 3 | 1,460 |
| Seattle (SEA) | 84.7% | 2.3% | 2 | 1,412 |
| San Francisco (SFO) | 83.2% | 1.4% | 2 | 1,202 |
| Sacramento (SMF) | 88.1% | 0.0% | 3 | 522 |
| Phoenix (PHX) | 91.9% | 1.3% | 1 | 384 |
| Denver (DEN) | 89.5% | 2.2% | 1 | 370 |
| Las Vegas (LAS) | 94.2% | 0.5% | 1 | 365 |
| Lihue (LIH) | 92.3% | 0.8% | 2 | 365 |
| Portland (PDX) | 83.0% | 0.3% | 1 | 365 |
| San Diego (SAN) | 73.6% | 0.5% | 1 | 364 |
| San Jose (SJC) | 72.2% | 0.0% | 1 | 151 |
| Dallas/Fort Worth (DFW) | 79.5% | 2.5% | 1 | 122 |
| Salt Lake City (SLC) | 68.8% | 3.1% | 1 | 96 |
| Anchorage (ANC) | 53.7% | 13.0% | 1 | 54 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Kona, HI (KOA) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.