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

Date Range:

15-Apr-2025 to 15-Jun-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
51
84%
Late
5
8%
Very Late
0
0%
Excessive
2
3%
Cancelled
3
5%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
27
Codeshares
61
Average Delay (min.)
15.62962962962963
Standard Deviation
30.7
Min
0
Max
150

DL 8439 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 84%
Average Delay Time 15.62962962962963 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 91% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 84%
This flight has an on-time performance of 84%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
4.7 of 5
Very Good
Average Delay Time 15.62962962962963 min
This flight has an average delay of 15.62962962962963 minutes with a standard deviation of 30.7 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 95% of other flights.