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(AC) Air Canada 4937 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-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
38
59%
Late
7
11%
Very Late
2
3%
Excessive
10
16%
Cancelled
3
5%
Diverted
4
6%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
60
Total Delays ( > 1 min )
23
Codeshares
60
Average Delay (min.)
51.47826086956522
Standard Deviation
48.2
Min
0
Max
180

AC 4937 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 63%
Average Delay Time 51.47826086956522 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.1 shows that this flight has on-time performance characteristics better than 1% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 63%
This flight has an on-time performance of 63%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 51.47826086956522 min
This flight has an average delay of 51.47826086956522 minutes with a standard deviation of 48.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.