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

Date Range:

15-Feb-2025 to 15-Apr-2025

(LIS) Lisbon Humberto Delgado Airport

Lisbon, PT

(CDG) Paris Charles de Gaulle Airport

Paris, FR

On-Time Performance Chart

(using rounded numbers)
On-Time
45
74%
Late
11
18%
Very Late
2
3%
Excessive
2
3%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
33
Codeshares
61
Average Delay (min.)
19.545454545454547
Standard Deviation
30.8
Min
0
Max
172

DL 8439 On-Time Performance Details

Overall Rating
2.6 of 5
Average
Percentage On-Time 74%
Average Delay Time 19.545454545454547 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.6 shows that this flight has on-time performance characteristics better than 51% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 of 5
Poor
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 16% of other flights.
Delay Performance
4.4 of 5
Good
Average Delay Time 19.545454545454547 min
This flight has an average delay of 19.545454545454547 minutes with a standard deviation of 30.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 88% of other flights.