background

(AC) Air Canada 4751 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(ORF) Norfolk International Airport

Norfolk, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
39
71%
Late
7
13%
Very Late
1
2%
Excessive
5
9%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
55
Total Delays ( > 1 min )
22
Codeshares
55
Average Delay (min.)
30.545454545454547
Standard Deviation
36.6
Min
0
Max
152

AC 4751 On-Time Performance Details

Overall Rating
1.9 of 5
Average
Percentage On-Time 71%
Average Delay Time 30.545454545454547 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.9 shows that this flight has on-time performance characteristics better than 37% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 71%
This flight has an on-time performance of 71%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 18% of other flights.
Delay Performance
2.9 of 5
Average
Average Delay Time 30.545454545454547 min
This flight has an average delay of 30.545454545454547 minutes with a standard deviation of 36.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 58% of other flights.