BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
ONT→HNL

Ontario, CA (ONT) to Honolulu, HI (HNL) flight delay odds

88.5% of 392 official scheduled ONT-to-HNL flights arrived on time; 5.6% arrived at least 30 minutes late and 0.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
88.5%arrived on time
5.6%30+ min late
0.3%cancelled
392scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late2.8%all scheduled flights
120+ minutes late1.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-4.1 mincompleted flights

Which departure time was most reliable for ONT to HNL?

Among qualifying ONT-to-HNL departure window results, Late morning had the highest on-time rate: 89.3% of 168 flights. Early morning was lowest at 87.9% across 224 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning22487.9%5.4%0.0%
Late morning16889.3%6.0%0.6%

Which weekday was most reliable for ONT to HNL?

Among qualifying ONT-to-HNL weekday results, Sunday had the highest on-time rate: 91.1% of 56 flights. Wednesday was lowest at 87.3% across 55 flights.

DayFlightsOn time30+ minCancelled
Monday5687.5%5.4%0.0%
Tuesday5789.5%7.0%0.0%
Wednesday5587.3%7.3%0.0%
Thursday5689.3%1.8%0.0%
Friday5687.5%5.4%1.8%
Saturday5687.5%5.4%0.0%
Sunday5691.1%7.1%0.0%

Which airline was most reliable for ONT to HNL?

Only Alaska Airlines met the ONT-to-HNL airline threshold: 87.7% of 365 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines36587.7%6.0%0.3%
Southwest Airlines27100.0%0.0%0.0%

Which month was most reliable for ONT to HNL?

Among qualifying ONT-to-HNL month results, July 2025 had the highest on-time rate: 96.8% of 31 flights. March 2026 was lowest at 64.5% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253196.8%3.2%0.0%
August 20253196.8%3.2%0.0%
September 20253086.7%6.7%0.0%
October 20253193.5%0.0%3.2%
November 20253080.0%10.0%0.0%
December 20253193.5%3.2%0.0%
January 20263193.5%6.5%0.0%
February 20262882.1%3.6%0.0%
March 20263164.5%19.4%0.0%
April 20263083.3%3.3%0.0%
May 20263196.8%0.0%0.0%
June 20265791.2%7.0%0.0%

What drove ONT to HNL delay minutes?

National airspace was the largest recorded ONT-to-HNL delay category, accounting for 56.2% of 2,327 BTS-attributed delay minutes during July 2025–June 2026.

Airline42.3%
Late aircraft0.0%
National airspace56.2%
Weather1.5%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.