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(AZ) ITA Airways 4399 On-Time Performance Rating

Date Range:

15-Aug-2025 to 15-Oct-2025

(IAD) Washington Dulles International Airport

Dulles, VA, US

(BOS) Boston Logan International Airport

Boston, MA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
22
73%
Late
2
7%
Very Late
1
3%
Excessive
4
13%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
29
Total Delays ( > 1 min )
15
Codeshares
29
Average Delay (min.)
54.8
Standard Deviation
73.9
Min
0
Max
211

AZ 4399 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 76%
Average Delay Time 54.8 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 24% of all other flights in the FlightStats database.
On-Time Performance Rating
2.3 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 46% of other flights.
Delay Performance
0.2 of 5
Very Poor
Average Delay Time 54.8 min
This flight has an average delay of 54.8 minutes with a standard deviation of 73.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 4% of other flights.