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(AC) Air Canada 4578 On-Time Performance Rating

Date Range:

15-Feb-2026 to 15-Apr-2026

(TUS) Tucson International Airport

Tucson, AZ, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
31
76%
Late
2
5%
Very Late
5
12%
Excessive
2
5%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
40
Total Delays ( > 1 min )
17
Codeshares
40
Average Delay (min.)
76.47058823529412
Standard Deviation
216.7
Min
0
Max
914

AC 4578 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 78%
Average Delay Time 76.47058823529412 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 78%
This flight has an on-time performance of 78%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 76.47058823529412 min
This flight has an average delay of 76.47058823529412 minutes with a standard deviation of 216.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.