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(AC) Air Canada 4578 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-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
26
59%
Late
5
11%
Very Late
0
0%
Excessive
10
23%
Cancelled
2
5%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
43
Total Delays ( > 1 min )
18
Codeshares
43
Average Delay (min.)
94.83333333333333
Standard Deviation
122.8
Min
0
Max
455

AC 4578 On-Time Performance Details

Overall Rating
0.1 of 5
Very Poor
Percentage On-Time 61%
Average Delay Time 94.83333333333333 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 0% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 61%
This flight has an on-time performance of 61%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 94.83333333333333 min
This flight has an average delay of 94.83333333333333 minutes with a standard deviation of 122.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.