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(DL) Delta Air Lines 9399 On-Time Performance Rating

Date Range:

15-Jun-2025 to 15-Aug-2025

(SLC) Salt Lake City International Airport

Salt Lake City, UT, US

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
21
81%
Late
3
12%
Very Late
0
0%
Excessive
2
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
26
Total Delays ( > 1 min )
15
Codeshares
26
Average Delay (min.)
23.4
Standard Deviation
39.5
Min
0
Max
143

DL 9399 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 81%
Average Delay Time 23.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 83% of all other flights in the FlightStats database.
On-Time Performance Rating
4.3 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 86% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 23.4 min
This flight has an average delay of 23.4 minutes with a standard deviation of 39.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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