background

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

Date Range:

15-Jan-2023 to 15-Mar-2023

(IAD) Washington Dulles International Airport

Dulles, VA, US

(AMS) Amsterdam Airport Schiphol

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
25
74%
Late
3
9%
Very Late
0
0%
Excessive
4
12%
Cancelled
2
6%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
34
Total Delays ( > 1 min )
14
Codeshares
34
Average Delay (min.)
38
Standard Deviation
61.5
Min
0
Max
233

DL 9447 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 74%
Average Delay Time 38 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.6 shows that this flight has on-time performance characteristics better than 30% of all other flights in the FlightStats database.
On-Time Performance Rating
1.9 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 38% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 38 min
This flight has an average delay of 38 minutes with a standard deviation of 61.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.