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(AC) Air Canada 4937 On-Time Performance Rating

Date Range:

15-Nov-2025 to 15-Jan-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
37
63%
Late
5
8%
Very Late
3
5%
Excessive
10
17%
Cancelled
2
3%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
25
Codeshares
58
Average Delay (min.)
45.2
Standard Deviation
46.8
Min
0
Max
184

AC 4937 On-Time Performance Details

Overall Rating
0.7 of 5
Poor
Percentage On-Time 64%
Average Delay Time 45.2 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.7 shows that this flight has on-time performance characteristics better than 12% of all other flights in the FlightStats database.
On-Time Performance Rating
0.2 of 5
Very Poor
Percentage On-Time 64%
This flight has an on-time performance of 64%. 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
1.1 of 5
Poor
Average Delay Time 45.2 min
This flight has an average delay of 45.2 minutes with a standard deviation of 46.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 21% of other flights.