background

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

Date Range:

01-Jun-2018 to 31-Jul-2018

(LIS) Lisbon Portela Airport

Lisbon, PT

(CDG) Charles de Gaulle Airport

Paris, FR

On-Time Performance Chart

(using rounded numbers)
On-Time
58
94%
Late
2
3%
Very Late
1
2%
Excessive
0
0%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
25
Codeshares
62
Average Delay (min.)
6
Standard Deviation
7.3
Min
0
Max
30

DL 8439 On-time Performance Details

Overall Rating
5.0 of 5
Very Good
Percentage On-Time 94%
Average Delay Time 6 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 5 shows that this flight has on-time performance characteristics better than 99% of all other flights in the FlightStats database.
On-time Performance Rating
5.0 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 100% of other flights.
Delay Performance
5.0 of 5
Very Good
Average Delay Time 6 min
This flight has an average delay of 6 minutes with a standard deviation of 7.3 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 100% of other flights.