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(AC) Air Canada 4221 On-Time Performance Rating

Date Range:

15-Jun-2026 to 15-Aug-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(PVD) Rhode Island T. F. Green International Airport

Providence, RI, US

On-Time Performance Chart

(using rounded numbers)
On-Time
42
74%
Late
3
5%
Very Late
5
9%
Excessive
1
2%
Cancelled
5
9%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
56
Total Delays ( > 1 min )
17
Codeshares
56
Average Delay (min.)
52.05882352941177
Standard Deviation
136.8
Min
0
Max
580

AC 4221 On-Time Performance Details

Overall Rating
2.2 of 5
Average
Percentage On-Time 75%
Average Delay Time 52.05882352941177 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.2 shows that this flight has on-time performance characteristics better than 43% of all other flights in the FlightStats database.
On-Time Performance Rating
3.6 of 5
Good
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 73% of other flights.
Delay Performance
0.8 of 5
Poor
Average Delay Time 52.05882352941177 min
This flight has an average delay of 52.05882352941177 minutes with a standard deviation of 136.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.

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