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(DL) Delta Air Lines 9666 On-Time Performance Rating

Date Range:

01-Feb-2026 to 31-Mar-2026

(NWI) Norwich International Airport

Norwich, EN, GB

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
33
89%
Late
0
0%
Very Late
2
5%
Excessive
1
3%
Cancelled
1
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
37
Total Delays ( > 1 min )
11
Codeshares
37
Average Delay (min.)
21.818181818181817
Standard Deviation
36
Min
0
Max
123

DL 9666 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 89%
Average Delay Time 21.818181818181817 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.3 shows that this flight has on-time performance characteristics better than 85% of all other flights in the FlightStats database.
On-Time Performance Rating
4.8 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 96% of other flights.
Delay Performance
3.8 of 5
Good
Average Delay Time 21.818181818181817 min
This flight has an average delay of 21.818181818181817 minutes with a standard deviation of 36 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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