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Flight Reliability

DL 2289 · Delta Air Lines

Salt Lake City → Detroit (SLC–DTW)

100
Nerd Approved
WanderNerd Reliability Score
95%
Arrive within 15 minutes
10 min early
Average arrival delay
0%
Cancelled
13 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Tuesday is the weak spot.

DL 2289 arrived on time 98% of the time on Thursdays. On Tuesdays: 90%.

A bit ahead of the SLC–DTW route.

DL 2289 arrived on time 95% of the time, versus 89% across the SLC–DTW route.

Better than the Delta Air Lines network average.

DL 2289 arrived on time 95% of the time, versus 81% across the Delta Air Lines network.

It basically never cancels.

Out of 365 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon96%(52 flights)
  • Tue90%(52 flights)
  • Wed96%(52 flights)
  • Thu98%(52 flights)
  • Fri94%(52 flights)
  • Sat94%(52 flights)
  • Sun94%(53 flights)
On-time trend by month
97%
May

Jun 97% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202597%31
August 202597%31
September 202597%30
October 202597%31
November 202597%30
December 202594%31
January 202690%31
February 202696%28
March 202687%31
April 202693%30
May 202697%31
Departures on time
96%
Diverted
0%
Flights flown
365
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.