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(DL) Delta Air Lines 9517 On-Time Performance Rating

Date Range:

01-Jul-2025 to 31-Aug-2025

(GLA) Glasgow Airport

Glasgow, SC, GB

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
33
87%
Late
3
8%
Very Late
1
3%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
15
Codeshares
38
Average Delay (min.)
16.933333333333334
Standard Deviation
18.8
Min
0
Max
72

DL 9517 On-Time Performance Details

Overall Rating
4.8 of 5
Very Good
Percentage On-Time 87%
Average Delay Time 16.933333333333334 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.8 shows that this flight has on-time performance characteristics better than 94% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 87%
This flight has an on-time performance of 87%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
4.6 of 5
Very Good
Average Delay Time 16.933333333333334 min
This flight has an average delay of 16.933333333333334 minutes with a standard deviation of 18.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 92% of other flights.

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