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(AC) Air Canada 4937 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(STL) St Louis Lambert International Airport

Saint Louis, MO, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
69%
Late
4
13%
Very Late
5
16%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
16
Codeshares
32
Average Delay (min.)
23.5
Standard Deviation
23.3
Min
0
Max
97

AC 4937 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 69%
Average Delay Time 23.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 58% of all other flights in the FlightStats database.
On-Time Performance Rating
1.7 of 5
Average
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 34% of other flights.
Delay Performance
4.2 of 5
Good
Average Delay Time 23.5 min
This flight has an average delay of 23.5 minutes with a standard deviation of 23.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 84% of other flights.