background

(DL) Delta Air Lines 9257 On-Time Performance Rating

Date Range:

01-Sep-2025 to 31-Oct-2025

(HEL) Helsinki-Vantaa Airport

Helsinki, FI

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
50
82%
Late
2
3%
Very Late
3
5%
Excessive
4
7%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
17
Codeshares
61
Average Delay (min.)
70.41176470588235
Standard Deviation
190.5
Min
0
Max
806

DL 9257 On-Time Performance Details

Overall Rating
2.1 of 5
Average
Percentage On-Time 82%
Average Delay Time 70.41176470588235 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.1 shows that this flight has on-time performance characteristics better than 40% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 82%
This flight has an on-time performance of 82%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 82% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 70.41176470588235 min
This flight has an average delay of 70.41176470588235 minutes with a standard deviation of 190.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.