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Flight Reliability

DL 486 · Delta Air Lines

Kailua-Kona → Los Angeles (KOA–LAX)

84
Pretty Reliable
WanderNerd Reliability Score
90%
Arrive within 15 minutes
5 min early
Average arrival delay
3.3%
Cancelled
10 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

6–9 PM has a slight edge.

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

Mondays have been rough.

DL 486 arrived on time 96% of the time on Wednesdays and just 80% on Mondays. That gap is worth planning around.

Better than the Delta Air Lines network average.

DL 486 arrived on time 90% of the time, versus 81% across the Delta Air Lines network.

Keep a backup plan handy.

DL 486 was cancelled 3.3% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon80%(50 flights)
  • Tue94%(50 flights)
  • Wed96%(52 flights)
  • Thu94%(51 flights)
  • Fri88%(51 flights)
  • Sat88%(50 flights)
  • Sun86%(49 flights)
On-time by departure window
  • 6–9 PM92%(151 flights)
  • 9 PM–12 AM88%(202 flights)
On-time trend by month
90%
May

Jun 86% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202590%30
August 202594%31
September 202597%30
October 202594%31
November 202586%29
December 202580%30
January 202693%29
February 202696%28
March 202685%27
April 202682%28
May 202690%31
Departures on time
86%
Diverted
0%
Flights flown
353
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.