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(DL) Delta Air Lines 9631 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(MAN) Manchester Airport

Manchester, EN, GB

(AMS) Amsterdam Schiphol Airport

Amsterdam, NL

On-Time Performance Chart

(using rounded numbers)
On-Time
35
60%
Late
14
24%
Very Late
4
7%
Excessive
3
5%
Cancelled
2
3%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
41
Codeshares
58
Average Delay (min.)
19.829268292682926
Standard Deviation
16.9
Min
0
Max
81

DL 9631 On-Time Performance Details

Overall Rating
2.5 of 5
Average
Percentage On-Time 60%
Average Delay Time 19.829268292682926 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-Time Performance Rating
0.1 of 5
Very Poor
Percentage On-Time 60%
This flight has an on-time performance of 60%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 2% of other flights.
Delay Performance
4.9 of 5
Very Good
Average Delay Time 19.829268292682926 min
This flight has an average delay of 19.829268292682926 minutes with a standard deviation of 16.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 97% of other flights.

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