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(DL) Delta Air Lines 9447 On-time Performance Rating

Date Range:

01-Aug-2019 to 30-Sep-2019

(IAD) Washington Dulles International Airport

Dulles, VA, US

(AMS) Amsterdam Airport Schiphol

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
50
81%
Late
8
13%
Very Late
0
0%
Excessive
3
5%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
21
Codeshares
62
Average Delay (min.)
21
Standard Deviation
20.6
Min
3
Max
72

DL 9447 On-time Performance Details

Overall Rating
3.9 of 5
Good
Percentage On-Time 81%
Average Delay Time 21 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.9 shows that this flight has on-time performance characteristics better than 77% of all other flights in the FlightStats database.
On-time Performance Rating
3.9 of 5
Good
Percentage On-Time 81%
This flight has an on-time performance of 81%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 79% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 21 min
This flight has an average delay of 21 minutes with a standard deviation of 20.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.