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(DL) Delta Air Lines 8439 On-Time Performance Rating

Date Range:

01-Jun-2020 to 31-Jul-2020

(LIS) Lisbon Portela Airport

Lisbon, PT

(CDG) Charles de Gaulle Airport

Paris, FR

On-Time Performance Chart

(using rounded numbers)
On-Time
29
94%
Late
1
3%
Very Late
0
0%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
31
Total Delays ( > 1 min )
6
Codeshares
31
Average Delay (min.)
12
Standard Deviation
19.7
Min
0
Max
51

DL 8439 On-Time Performance Details

Overall Rating
4.3 of 5
Good
Percentage On-Time 94%
Average Delay Time 12 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
4.7 of 5
Very Good
Percentage On-Time 94%
This flight has an on-time performance of 94%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 95% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 12 min
This flight has an average delay of 12 minutes with a standard deviation of 19.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.