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Route Reliability

Denver → Chicago

DEN–ORD · 888 miles · Denver International Airport to Chicago O'Hare International Airport

69
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
19 min
Average arrival delay
1.0%
Cancelled
6,192
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.American Airlines73%1,594 flights
  2. 2.United Airlines72%3,701 flights
  3. 3.Frontier Airlines68%328 flights
  4. 4.Southwest Airlines62%569 flights

What the data says

Morning-you made the right choice.

DEN–ORD flights departing between 3–6 AM arrived on time 90% of the time, versus 57% between 3–6 PM.

Sunday scaries are real for this one.

DEN–ORD flights arrived on time 75% of the time on Wednesdays. On Sundays: 66%.

American Airlines runs this route best.

American Airlines arrived on time 73% of the time on this route; Southwest Airlines managed 62%.

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
  • Mon72%(877 flights)
  • Tue72%(855 flights)
  • Wed75%(851 flights)
  • Thu69%(884 flights)
  • Fri70%(892 flights)
  • Sat74%(827 flights)
  • Sun66%(919 flights)
On-time by departure window
  • 3–6 AM90%(10 flights)
  • 6–9 AM87%(1228 flights)
  • 9 AM–12 PM77%(1261 flights)
  • 12–3 PM68%(1191 flights)
  • 3–6 PM57%(1351 flights)
  • 6–9 PM65%(1012 flights)
  • 9 PM–12 AM83%(52 flights)
On-time trend by month
77%
May

Jun 60% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%565
July 202558%561
August 202566%587
September 202578%604
October 202577%614
November 202572%412
December 202571%412
January 202672%387
February 202679%431
March 202669%472
April 202675%480
May 202677%580

Same trip, other airports

Keep nerding

Based on 6,192 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.