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(AC) Air Canada 4981 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(CHS) Charleston International Airport

Charleston, SC, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
6
55%
Late
3
27%
Very Late
1
9%
Excessive
0
0%
Cancelled
1
9%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
11
Total Delays ( > 1 min )
6
Codeshares
11
Average Delay (min.)
21.166666666666668
Standard Deviation
11.3
Min
0
Max
38

AC 4981 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 55%
Average Delay Time 21.166666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 36% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 55%
This flight has an on-time performance of 55%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 4% of other flights.
Delay Performance
3.5 of 5
Average
Average Delay Time 21.166666666666668 min
This flight has an average delay of 21.166666666666668 minutes with a standard deviation of 11.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 69% of other flights.