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(AC) Air Canada 4935 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
48
79%
Late
1
2%
Very Late
2
3%
Excessive
10
16%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
18
Codeshares
61
Average Delay (min.)
67.33333333333333
Standard Deviation
67.3
Min
0
Max
254

AC 4935 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 79%
Average Delay Time 67.33333333333333 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 79%
This flight has an on-time performance of 79%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 67.33333333333333 min
This flight has an average delay of 67.33333333333333 minutes with a standard deviation of 67.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 1% of other flights.