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Flight Reliability

AA 3447 · American Airlines

Chicago → Columbus (ORD–CMH)100% of its flights flew this route. The rest (DSM–DFW) are included in these numbers.

54
A Little Dicey
WanderNerd Reliability Score
66%
Arrive within 15 minutes
20 min
Average arrival delay
3.3%
Cancelled
1 min early
Median arrival delay

Based on 304 historical flights. Data through May 2026.

What the data says

Thursdays have been rough.

AA 3447 arrived on time 73% of the time on Mondays and just 54% on Thursdays. That gap is worth planning around.

Lagging the ORD–CMH route.

AA 3447 arrived on time 66% of the time, versus 73% across the ORD–CMH route.

Lagging the American Airlines network.

AA 3447 arrived on time 66% of the time, versus 77% across the American Airlines network.

Keep a backup plan handy.

AA 3447 was cancelled 3.3% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon73%(48 flights)
  • Tue67%(15 flights)
  • Wed61%(44 flights)
  • Thu54%(48 flights)
  • Fri73%(51 flights)
  • Sat70%(37 flights)
  • Sun64%(50 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 3–6 PM—(7 flights)
  • 6–9 PM66%(285 flights)
On-time trend by month
77%
May

Jun 63% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%27
July 202550%26
August 202585%27
September 202569%26
October 202567%24
November 202577%17
December 202544%18
January 202646%24
February 202671%24
March 202664%28
April 202673%26
May 202677%26
Departures on time
62%
Diverted
0.3%
Flights flown
293
Months covered
12

Same route, other flights

Keep nerding

Based on 304 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.