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Flight Reliability

DL 2608 · Delta Air Lines

Salt Lake City → IDA (SLC–IDA)

80
Pretty Reliable
WanderNerd Reliability Score
76%
Arrive within 15 minutes
9 min
Average arrival delay
0.9%
Cancelled
5 min early
Median arrival delay

Based on 317 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

DL 2608 arrived on time 87% of the time on Tuesdays and just 64% on Fridays. That gap is worth planning around.

Lagging the SLC–IDA route.

DL 2608 arrived on time 76% of the time, versus 89% across the SLC–IDA route.

A bit behind the Delta Air Lines network.

DL 2608 arrived on time 76% of the time, versus 81% across the Delta Air Lines network.

Trending in the right direction.

DL 2608 arrived on time 88% 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
  • Mon76%(45 flights)
  • Tue87%(45 flights)
  • Wed81%(43 flights)
  • Thu71%(45 flights)
  • Fri64%(45 flights)
  • Sat84%(44 flights)
  • Sun72%(46 flights)
On-time by departure window
  • 3–6 PM—(1 flights)
  • 9 PM–12 AM76%(312 flights)
On-time trend by month
90%
May

Jun 73% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202568%31
August 202561%31
September 202577%30
October 202573%26
November 202573%22
December 202573%30
January 202681%31
February 202685%26
April 202690%19
May 202690%31
Departures on time
75%
Diverted
0.3%
Flights flown
313
Months covered
12

Same route, other flights

Keep nerding

Based on 317 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.