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(DL) Delta Air Lines 9559 On-Time Performance Rating

Date Range:

01-May-2025 to 30-Jun-2025

(PRG) Vaclav Havel Airport Prague

Prague, CZ

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
35
85%
Late
3
7%
Very Late
1
2%
Excessive
1
2%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
20
Codeshares
41
Average Delay (min.)
11.35
Standard Deviation
13.5
Min
0
Max
51

DL 9559 On-Time Performance Details

Overall Rating
4.9 of 5
Very Good
Percentage On-Time 85%
Average Delay Time 11.35 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.9 shows that this flight has on-time performance characteristics better than 97% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 97% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 11.35 min
This flight has an average delay of 11.35 minutes with a standard deviation of 13.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 97% of other flights.

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