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Flight Reliability

AA 4073 · American Airlines

CMI → Dallas–Fort Worth (CMI–DFW)

89
Pretty Reliable
WanderNerd Reliability Score
89%
Arrive within 15 minutes
1 min early
Average arrival delay
1.6%
Cancelled
19 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

Skip Wednesday if you can.

AA 4073 arrived on time 94% of the time on Saturdays. On Wednesdays: 82%.

A bit ahead of the CMI–DFW route.

AA 4073 arrived on time 89% of the time, versus 86% across the CMI–DFW route.

Better than the American Airlines network average.

AA 4073 arrived on time 89% of the time, versus 77% across the American Airlines network.

Slipping a little lately.

AA 4073 arrived on time 90% of the time over the last three months in the data, compared with 94% in the three months before that.

The breakdown

On-time by weekday
  • Mon86%(51 flights)
  • Tue92%(51 flights)
  • Wed82%(51 flights)
  • Thu85%(52 flights)
  • Fri90%(51 flights)
  • Sat94%(50 flights)
  • Sun92%(51 flights)
On-time trend by month
87%
May

Jun 73% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202587%31
August 202587%31
September 202593%29
October 202590%31
November 202583%29
December 202590%29
January 202693%29
February 2026100%28
March 202687%31
April 202697%29
May 202687%30
Departures on time
89%
Diverted
0.3%
Flights flown
357
Months covered
12

Same route, other flights

Keep nerding

Based on 364 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.