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(AC) Air Canada 3979 On-Time Performance Rating

Date Range:

01-Nov-2025 to 31-Dec-2025

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(DSM) Des Moines International Airport

Des Moines, IA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
41
68%
Late
4
7%
Very Late
4
7%
Excessive
5
8%
Cancelled
5
8%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
59
Total Delays ( > 1 min )
19
Codeshares
59
Average Delay (min.)
43.26315789473684
Standard Deviation
69.4
Min
0
Max
317

AC 3979 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 70%
Average Delay Time 43.26315789473684 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 70%
This flight has an on-time performance of 70%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 43.26315789473684 min
This flight has an average delay of 43.26315789473684 minutes with a standard deviation of 69.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.