How reliable is Daniel K Inouye International Airport?
Flights from HNL departed within 15 minutes of schedule in 85% of 337,812 flights in official BTS history — and weather is calmest in Jun. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the departure punctuality at HNL looks like
On-time departures
across 337,812 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
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Weather by month
When the weather works for you at Honolulu
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 100/100 favorability
Roughest month
Most disruptive — low visibility & fog, high winds · 98/100 favorability
The read on HNL
What the numbers say about flying through Daniel K Inouye International Airport
Across official performance history, flights from Honolulu left within 15 minutes of schedule about 85% of the time over 337,812 flights. That's one of the more dependable operational records you'll see. Pair it with a low cancellation rate of 1.0%, so flights here rarely vanish outright. When a departure does run late, the typical delay is around 7 minutes.
On weather, Honolulu is an unusually calm-weather airport year-round. June is the calmest stretch for flying, scoring 100 out of 100 for favorable conditions, while March is the most disruptive at 98, driven mainly by low visibility & fog and high winds. The year is relatively steady, so no single month stands out as one to avoid on weather alone.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Honolulu, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about HNL
- How reliable is Daniel K Inouye International Airport (HNL)?
- Flights from Honolulu left within 15 minutes of schedule roughly 85% of the time across 337,812 flights of official history — one of the more dependable operational records you'll see. The cancellation rate runs about 1.0%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from HNL for good weather?
- June has the calmest flying weather at Daniel K Inouye International Airport. March is the most disruptive, mainly from low visibility & fog and high winds.
Planning a trip through Honolulu?
Score real flights to and from HNL on reliability, weather, and connection safety — not just price.