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Flight Reliability

AA 852 · American Airlines

Denver → Dallas–Fort Worth (DEN–DFW)99% of its flights flew this route. The rest (DFW–LAS, DCA–BOS) are included in these numbers.

62
A Little Dicey
WanderNerd Reliability Score
76%
Arrive within 15 minutes
22 min
Average arrival delay
3.4%
Cancelled
9 min early
Median arrival delay

Based on 324 historical flights. Data through May 2026.

What the data says

The 9 AM–12 PM departure wins.

AA 852 departing between 9 AM–12 PM arrived on time 83% of the time, versus 76% between 6–9 AM.

Saturday is the weak spot.

AA 852 arrived on time 80% of the time on Mondays. On Saturdays: 67%.

Keep a backup plan handy.

AA 852 was cancelled 3.4% of the time. Typical for U.S. flights is around 1–2%.

Slipping a little lately.

AA 852 arrived on time 79% of the time over the last three months in the data, compared with 84% in the three months before that.

The breakdown

On-time by weekday
  • Mon80%(44 flights)
  • Tue74%(46 flights)
  • Wed78%(45 flights)
  • Thu76%(45 flights)
  • Fri78%(46 flights)
  • Sat67%(42 flights)
  • Sun79%(43 flights)
On-time by departure window
  • 6–9 AM76%(285 flights)
  • 9 AM–12 PM83%(24 flights)
  • 6–9 PM—(2 flights)
On-time trend by month
68%
May

Jun 63% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%27
July 202552%31
August 202560%30
October 202583%23
November 202593%30
December 202581%31
January 202674%27
February 202696%27
March 202674%31
April 202693%30
May 202668%22
Departures on time
76%
Diverted
0.6%
Flights flown
311
Months covered
12

Same route, other flights

Keep nerding

Based on 324 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.