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Flight Reliability

DL 3845 · Delta Air Lines

Salt Lake City → GTF (SLC–GTF)

100
Nerd Approved
WanderNerd Reliability Score
96%
Arrive within 15 minutes
10 min early
Average arrival delay
0.3%
Cancelled
13 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

Skip Saturday if you can.

DL 3845 arrived on time 100% of the time on Thursdays. On Saturdays: 92%.

Better than the Delta Air Lines network average.

DL 3845 arrived on time 96% of the time, versus 81% across the Delta Air Lines network.

It basically never cancels.

Out of 364 scheduled flights, only 0.3% were cancelled.

Ticking up lately.

DL 3845 arrived on time 98% of the time over the last three months in the data, compared with 94% in the three months before that.

The breakdown

On-time by weekday
  • Mon96%(52 flights)
  • Tue98%(51 flights)
  • Wed96%(52 flights)
  • Thu100%(51 flights)
  • Fri96%(52 flights)
  • Sat92%(51 flights)
  • Sun92%(52 flights)
On-time by departure window
  • 6–9 PM96%(221 flights)
  • 9 PM–12 AM95%(140 flights)
On-time trend by month
94%
May

Jun 97% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 2025100%31
August 202597%30
September 202593%30
October 202597%31
November 202590%29
December 202594%31
January 202694%31
February 202696%28
March 2026100%29
April 2026100%30
May 202694%31
Departures on time
94%
Diverted
0.5%
Flights flown
361
Months covered
12

Same route, other flights

Keep nerding

Based on 364 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.