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Flight Reliability

DL 1745 · Delta Air Lines

Denver → Detroit (DEN–DTW)

95
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
0 min
Average arrival delay
0.3%
Cancelled
11 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Monday is the weak spot.

DL 1745 arrived on time 94% of the time on Tuesdays. On Mondays: 86%.

Better than the DEN–DTW route average.

DL 1745 arrived on time 90% of the time, versus 78% across the DEN–DTW route.

Better than the Delta Air Lines network average.

DL 1745 arrived on time 90% of the time, versus 81% across the Delta Air Lines network.

It basically never cancels.

Out of 365 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon86%(51 flights)
  • Tue94%(52 flights)
  • Wed87%(52 flights)
  • Thu90%(52 flights)
  • Fri88%(51 flights)
  • Sat89%(52 flights)
  • Sun93%(53 flights)
On-time by departure window
  • 3–6 AM90%(90 flights)
  • 6–9 AM89%(273 flights)
On-time trend by month
97%
May

Jun 93% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202587%30
August 202590%31
September 202590%30
October 202594%31
November 202593%30
December 202577%30
January 202684%31
February 202696%28
March 202681%31
April 202693%30
May 202697%31
Departures on time
93%
Diverted
0.3%
Flights flown
363
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.