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(DL) Delta Air Lines 8451 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(CDG) Paris Charles de Gaulle Airport

Paris, FR

(PRG) Vaclav Havel Airport Prague

Prague, CZ

On-Time Performance Chart

(using rounded numbers)
On-Time
41
80%
Late
5
10%
Very Late
1
2%
Excessive
4
8%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
51
Total Delays ( > 1 min )
17
Codeshares
51
Average Delay (min.)
35.470588235294116
Standard Deviation
39.2
Min
0
Max
128

DL 8451 On-Time Performance Details

Overall Rating
3.4 of 5
Average
Percentage On-Time 80%
Average Delay Time 35.470588235294116 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.4 shows that this flight has on-time performance characteristics better than 67% of all other flights in the FlightStats database.
On-Time Performance Rating
4.1 of 5
Good
Percentage On-Time 80%
This flight has an on-time performance of 80%. 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
2.7 of 5
Average
Average Delay Time 35.470588235294116 min
This flight has an average delay of 35.470588235294116 minutes with a standard deviation of 39.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 54% of other flights.

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