Hilo International Airport (ITO) delays & on-time performance
Hilo, Hawaii · 3 nonstop destinations · 3 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ITO right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
84%
arrived < 15 min late
Cancelled
1.0%
66 flights
Avg arrival delay
8 min
41 min when late
Departed on time
85%
avg taxi-out 10 min
Figures cover 6,609 departures from ITO; on-time is measured at arrival. Arrivals into ITO were on time 84% of the time.
Key facts
- Flights departing Hilo International Airport (ITO) arrived on time 84% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1% were cancelled, and 3% arrived an hour or more late.
- Southwest Airlines was the most punctual airline here (94% on time); Alaska Airlines was the least (76%).
- Departures scheduled around 6am did best (97% on time); around 5pm did worst (63%).
- The largest source of delay minutes was late-arriving aircraft (64%).
Most delayed routes from ITO
Lowest on-time arrival rates among regularly flown routes.
- HNL · Honolulu83%6,290 flts
Most reliable routes from ITO
Highest on-time arrival rates among regularly flown routes.
- HNL · Honolulu83%6,290 flts
Best airline at ITO
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 94% | 0.7% | 4 min | 3 | 1,833 |
| Hawaiian Airlines | 85% | 0.3% | 7 min | 2 | 1,961 |
| Alaska Airlines | 76% | 1.7% | 12 min | 2 | 2,815 |
Best time to fly out of ITO
On-time arrival rate by scheduled departure hour (local time).
- 6am97%720 flts
- 7am94%509 flts
- 8am90%637 flts
- 9am84%376 flts
- 10am81%184 flts
- 11am91%480 flts
- 12pm75%325 flts
- 1pm78%334 flts
- 2pm79%175 flts
- 3pm83%705 flts
- 4pm67%371 flts
- 5pm63%329 flts
- 6pm84%698 flts
- 7pm77%393 flts
- 8pm76%151 flts
- 9pm82%221 flts
Monthly trend
Why departures were late
- Late-arriving aircraft64%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion7%
- Extreme weather3%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.