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(AC) Air Canada 4915 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(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
39
68%
Late
1
2%
Very Late
3
5%
Excessive
13
23%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
57
Total Delays ( > 1 min )
21
Codeshares
57
Average Delay (min.)
118.76190476190476
Standard Deviation
116
Min
0
Max
446

AC 4915 On-Time Performance Details

Overall Rating
0.3 of 5
Very Poor
Percentage On-Time 68%
Average Delay Time 118.76190476190476 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.3 shows that this flight has on-time performance characteristics better than 5% of all other flights in the FlightStats database.
On-Time Performance Rating
0.6 of 5
Poor
Percentage On-Time 68%
This flight has an on-time performance of 68%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 12% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 118.76190476190476 min
This flight has an average delay of 118.76190476190476 minutes with a standard deviation of 116 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.