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(DL) Delta Air Lines 9664 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(NWI) Norwich International Airport

Norwich, EN, GB

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
41
67%
Late
6
10%
Very Late
2
3%
Excessive
4
7%
Cancelled
8
13%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
28
Codeshares
61
Average Delay (min.)
27.5
Standard Deviation
56.5
Min
0
Max
296

DL 9664 On-Time Performance Details

Overall Rating
2.0 of 5
Average
Percentage On-Time 67%
Average Delay Time 27.5 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2 shows that this flight has on-time performance characteristics better than 38% of all other flights in the FlightStats database.
On-Time Performance Rating
0.3 of 5
Very Poor
Percentage On-Time 67%
This flight has an on-time performance of 67%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 7% of other flights.
Delay Performance
3.6 of 5
Good
Average Delay Time 27.5 min
This flight has an average delay of 27.5 minutes with a standard deviation of 56.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 73% of other flights.