HNL to ONT flight delays & on-time performance
Nonstop flights from Daniel K. Inouye International Airport to Ontario International Airport · 2,603 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at HNL or ONT right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Honolulu (HNL) to Ontario (ONT) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.2% were cancelled, and 7% arrived an hour or more late.
- Southwest Airlines was the most punctual airline here (91% on time); Alaska Airlines was the least (74%).
- Departures scheduled around 9am did best (89% on time); around 2pm did worst (68%).
- Thursday was the most reliable day to fly (83% on time) and Tuesday the least (72%).
- The largest source of delay minutes was late-arriving aircraft (46%).
Which airline is most on time from HNL to ONT?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 91% | 0.0% | 6 min | 3.4% | 58 |
| Alaska Airlines | 74% | 0.3% | 17 min | 8.0% | 365 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 9am89%19 flights
- 12pm84%198 flights
- 1pm69%80 flights
- 2pm68%118 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%0.0% cancelled
- Tuesday72%0.0% cancelled
- Wednesday77%0.0% cancelled
- Thursday83%1.6% cancelled
- Friday76%0.0% cancelled
- Saturday73%0.0% cancelled
- Sunday75%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft46%
- Airline (crew, maintenance, cleaning, fueling)38%
- Air traffic control & airport congestion13%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)100%
- Extreme weather0%
- Air traffic control & airport congestion0%
- Security0%
HNL to ONT: common questions
- How often are HNL to ONT flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Honolulu to Ontario cancelled?
- 0.2% of scheduled flights were cancelled (1 of 423).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 61 min behind schedule on average, and 7.3% of flights were an hour or more late.
- How long is taxi time at HNL?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ONT to HNL — 87% on time
More flights from Honolulu
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: HNL → ONT, nonstop flights by US airlines that report to the DOT. How we calculate this.