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(DL) Delta Air Lines 9427 On-Time Performance Rating

Date Range:

15-Oct-2025 to 15-Dec-2025

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

(ZRH) Zurich Airport

Zurich, CH

On-Time Performance Chart

(using rounded numbers)
On-Time
32
52%
Late
14
23%
Very Late
7
11%
Excessive
6
10%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
51
Codeshares
61
Average Delay (min.)
24.019607843137255
Standard Deviation
29.6
Min
0
Max
162

DL 9427 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 53%
Average Delay Time 24.019607843137255 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 44% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 53%
This flight has an on-time performance of 53%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
4.5 of 5
Good
Average Delay Time 24.019607843137255 min
This flight has an average delay of 24.019607843137255 minutes with a standard deviation of 29.6 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 90% of other flights.