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

Date Range:

01-Sep-2025 to 31-Oct-2025

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

(ZRH) Zurich Airport

Zurich, CH

On-Time Performance Chart

(using rounded numbers)
On-Time
11
27%
Late
16
39%
Very Late
4
10%
Excessive
7
17%
Cancelled
3
7%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
35
Codeshares
41
Average Delay (min.)
27.885714285714286
Standard Deviation
20.5
Min
0
Max
91

DL 9427 On-Time Performance Details

Overall Rating
1.6 of 5
Average
Percentage On-Time 27%
Average Delay Time 27.885714285714286 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
0.0 of 5
Very Poor
Percentage On-Time 27%
This flight has an on-time performance of 27%. 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
3.1 of 5
Average
Average Delay Time 27.885714285714286 min
This flight has an average delay of 27.885714285714286 minutes with a standard deviation of 20.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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