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Flight Reliability

AS 270 · Alaska Airlines

Ontario → Honolulu (ONT–HNL)

96
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
4 min early
Average arrival delay
0.3%
Cancelled
9 min early
Median arrival delay

Based on 352 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 9 AM–12 PM arrived on time 92% of the time, against 88% between 6–9 AM.

Thursday comes out ahead.

A small edge: 92% on time on Thursdays against 86% on Fridays.

Better than the Alaska Airlines network average.

AS 270 arrived on time 90% of the time, versus 80% across the Alaska Airlines network.

It basically never cancels.

Out of 352 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon92%(50 flights)
  • Tue90%(50 flights)
  • Wed88%(50 flights)
  • Thu92%(51 flights)
  • Fri86%(49 flights)
  • Sat86%(50 flights)
  • Sun92%(51 flights)
On-time by departure window
  • 6–9 AM88%(197 flights)
  • 9 AM–12 PM92%(154 flights)
On-time trend by month
97%
May

Jun 95% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202595%19
July 202597%31
August 202597%31
September 202587%30
October 202597%29
November 202579%29
December 202594%31
January 202694%31
February 202686%28
March 202665%31
April 202690%30
May 202697%31
Departures on time
95%
Diverted
0%
Flights flown
351
Months covered
12

Same route, other flights

Keep nerding

Based on 352 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.