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Flight Reliability

DL 316 · Delta Air Lines

Salt Lake City → Honolulu (SLC–HNL)

84
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
8 min
Average arrival delay
1.4%
Cancelled
5 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 316 departing between 9 AM–12 PM arrived on time 85% of the time, versus 76% between 12–3 PM.

Friday is doing you no favors.

DL 316 arrived on time 90% of the time on Thursdays. On Fridays: 77%.

A bit ahead of the SLC–HNL route.

DL 316 arrived on time 83% of the time, versus 79% across the SLC–HNL route.

Ticking up lately.

DL 316 arrived on time 80% of the time over the last three months in the data, compared with 76% in the three months before that.

The breakdown

On-time by weekday
  • Mon82%(50 flights)
  • Tue86%(51 flights)
  • Wed80%(51 flights)
  • Thu90%(52 flights)
  • Fri77%(51 flights)
  • Sat81%(52 flights)
  • Sun81%(52 flights)
On-time by departure window
  • 9 AM–12 PM85%(263 flights)
  • 12–3 PM76%(96 flights)
On-time trend by month
87%
May

Jun 83% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202583%30
August 202587%31
September 202579%28
October 202590%31
November 202593%30
December 202577%31
January 202694%31
February 202658%26
March 202677%31
April 202677%30
May 202687%30
Departures on time
88%
Diverted
0.3%
Flights flown
359
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.