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(DL) Delta Air Lines 8399 On-time Performance Rating

Date Range:

15-May-2018 to 15-Jul-2018

(BOS) Logan International AirportBoston, MA, US
(CDG) Charles de Gaulle AirportParis, FR
On-Time Performance Chart
(using rounded numbers)
On-Time
43
68%
Late
9
14%
Very Late
5
8%
Excessive
4
6%
Cancelled
1
2%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
62
Total Delays ( > 1 min )
29
Codeshares
62
Average Delay (min.)
24
Standard Deviation
27.2
Min
1
Max
132
DL 8399 On-time Performance Details
Overall Rating
2.5 of 5
Average
Percentage On-Time 69%
Average Delay Time 24 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.5 shows that this flight has on-time performance characteristics better than 49% of all other flights in the FlightStats database.
On-time Performance Rating
1.1 of 5
Poor
Percentage On-Time 69%
This flight has an on-time performance of 69%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 24 min
This flight has an average delay of 24 minutes with a standard deviation of 27.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.