Skip to content
WanderNerd
Check a flight

Route Reliability

Denver → Detroit

DEN–DTW · 1,123 miles · Denver International Airport to Detroit Metropolitan Wayne County Airport

83
Pretty Reliable
WanderNerd Reliability Score
78%
Arrive within 15 minutes
6 min
Average arrival delay
0.4%
Cancelled
3,081
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines86%1,258 flights
  2. 2.United Airlines80%728 flights
  3. 3.Frontier Airlines78%446 flights
  4. 4.Southwest Airlines58%649 flights

What the data says

Morning-you made the right choice.

DEN–DTW flights departing between 12–3 AM arrived on time 91% of the time, versus 55% between 6–9 PM.

Skip Monday if you can.

DEN–DTW flights arrived on time 83% of the time on Saturdays. On Mondays: 74%.

Delta Air Lines has a clear lead on this route.

Delta Air Lines arrived on time 86% of the time on this route; Southwest Airlines managed 58%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon74%(460 flights)
  • Tue79%(411 flights)
  • Wed80%(406 flights)
  • Thu76%(452 flights)
  • Fri77%(467 flights)
  • Sat83%(413 flights)
  • Sun75%(453 flights)
On-time by departure window
  • 12–3 AM91%(163 flights)
  • 3–6 AM90%(90 flights)
  • 6–9 AM90%(429 flights)
  • 9 AM–12 PM82%(927 flights)
  • 12–3 PM73%(199 flights)
  • 3–6 PM73%(895 flights)
  • 6–9 PM55%(353 flights)
  • 9 PM–12 AM—(6 flights)
On-time trend by month
75%
May

Jun 68% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%278
July 202571%280
August 202572%282
September 202582%256
October 202582%258
November 202589%225
December 202575%239
January 202679%215
February 202677%215
March 202679%276
April 202684%257
May 202675%281

Keep nerding

Based on 3,081 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.