Skip to content
WanderNerd
Check a flight

Flight Reliability

AA 3694 · American Airlines

Chicago → CMI (ORD–CMI)

55
A Little Dicey
WanderNerd Reliability Score
63%
Arrive within 15 minutes
19 min
Average arrival delay
3.0%
Cancelled
2 min early
Median arrival delay

Based on 301 historical flights. Data through May 2026.

What the data says

Thursdays have been rough.

AA 3694 arrived on time 73% of the time on Saturdays and just 53% on Thursdays. That gap is worth planning around.

Lagging the ORD–CMI route.

AA 3694 arrived on time 63% of the time, versus 71% across the ORD–CMI route.

Lagging the American Airlines network.

AA 3694 arrived on time 63% of the time, versus 77% across the American Airlines network.

Keep a backup plan handy.

AA 3694 was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon60%(50 flights)
  • Tue—(1 flights)
  • Wed61%(49 flights)
  • Thu53%(47 flights)
  • Fri68%(50 flights)
  • Sat73%(44 flights)
  • Sun65%(51 flights)
On-time by departure window
  • 12–3 PM—(1 flights)
  • 6–9 PM63%(291 flights)
On-time trend by month
85%
May

Jun 46% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202546%26
July 202560%25
August 202574%23
September 202568%22
October 202569%26
November 202570%23
December 202552%21
January 202646%26
February 202658%24
March 202668%25
April 202663%24
May 202685%27
Departures on time
62%
Diverted
0%
Flights flown
292
Months covered
12

Same route, other flights

Keep nerding

Based on 301 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.