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(AZ) ITA Airways 4387 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-2026

(IAD) Washington Dulles International Airport

Dulles, VA, US

(DEN) Denver International Airport

Denver, CO, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
72%
Late
2
8%
Very Late
0
0%
Excessive
5
20%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
25
Total Delays ( > 1 min )
9
Codeshares
25
Average Delay (min.)
50.22222222222222
Standard Deviation
33.9
Min
0
Max
103

AZ 4387 On-Time Performance Details

Overall Rating
0.9 of 5
Poor
Percentage On-Time 72%
Average Delay Time 50.22222222222222 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.9 shows that this flight has on-time performance characteristics better than 16% of all other flights in the FlightStats database.
On-Time Performance Rating
0.9 of 5
Poor
Percentage On-Time 72%
This flight has an on-time performance of 72%. 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
0.8 of 5
Poor
Average Delay Time 50.22222222222222 min
This flight has an average delay of 50.22222222222222 minutes with a standard deviation of 33.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 16% of other flights.